The Most Common Rehab Mistakes (and How to Avoid Them)

The Most Common Rehab Mistakes (and How to Avoid Them)

February 24, 20258 min read

Mistake: Skipping a Detailed Scope of Work

Want to know one of the fastest ways to torch your profits and blow up your project? Winging it with a vague plan and a handshake deal. No matter how great your contractor seems, without a line-by-line Scope of Work (SOW), you’re not flipping a house—you’re flipping a coin.

What Happens Without a Solid SOW?

  • Contractors bid differently.
    One quotes builder-grade finishes, another assumes quartz countertops and designer tile. Result? Bids are all over the place, and you can’t compare apples to apples.

  • You’ll overspend on “extras.”
    “Oh, you wanted recessed lighting?”
    “You didn’t say soft-close cabinets.”
    “That’s not the paint we usually use.”
    Every unclear detail becomes an upcharge opportunity.

  • Timelines fall apart.
    No written schedule? No accountability. Suddenly your “6-week project” turns into a 4-month money pit with weekly excuses.

How to Fix It: Create a Detailed Scope of Work

This isn’t just a checklist—it’s your project playbook. Include:

  • Room-by-room breakdown of all work to be done

  • Material specs: paint colors, flooring type, cabinet models, fixtures, etc.

  • Finish level expectations: Are we talking rental-grade, retail-ready, or luxury?

  • Timeline milestones: When each phase should start and finish

  • Who’s responsible for what: Materials, labor, permits, inspections

Pro Tip:

If it’s not in writing, it doesn’t exist.
Print it, email it, review it, and have every contractor sign off before work begins. This eliminates confusion, avoids budget bloat, and gives you leverage if things go sideways.

Because in the flip game, clarity isn’t just nice—it’s non-negotiable. And a killer Scope of Work is how you protect your budget, your timeline, and your sanity.

2. Mistake: Underestimating Costs (By a Lot)

You budgeted $30K for the rehab. The final bill hits $60K. Cue the panic, the profit evaporation, and the "how the heck did this happen?" moment. Welcome to one of the most common (and most painful) rookie mistakes in flipping: wildly underestimating your costs.

Why This Happens:

  1. No Deep Inspection

    • You skipped or skimmed your walkthrough. Now the foundation’s cracked, the crawlspace is wet, and the subfloor’s rotten. Surprise!

  2. Hidden Code Upgrades

    • The panel’s outdated, the outlets aren’t grounded, and your “minor” electrical repair just became a full-blown rewire with permit inspections.

  3. Material Price Spikes

    • Lumber goes up. Cabinets are on backorder. Tile costs more than you thought. Prices change weekly, and your spreadsheet can’t predict inflation.

  4. You Forgot the Not-So-Little Things

    • Permits, dumpster rentals, temporary utilities, tool rentals, pest control, staging...
      These “extras” pile up like Amazon boxes on a front porch.

The Fix: Plan for Chaos, Budget Like a Pro

Always build in a 15–20% contingency—minimum.

  • Budget shows $40K? Plan for $46K–$48K.

  • Worst case, you use it.
    Best case, you
    don’t—and your profit looks even prettier.

Pro Tip:

Budget for reality, not fantasy. Treat your initial numbers like a starting point, not a finish line. Get multiple contractor bids, over-communicate on scope, and pad your numbers like you’re trying to impress a hard money lender.

Because when you underestimate, you don’t just overspend—you over-stress, underperform, and risk sinking the whole deal. Better to be overprepared than overbudget.

3. Mistake: Choosing the Cheapest Contractor

Ah yes, the classic budget trap: “This guy’s $10K cheaper—we’ll save a ton!” Spoiler alert: you won't. Going with the lowest bid might feel like a win at first, but it’s one of the fastest ways to tank your flip, drain your budget, and lose weeks—or months—off your timeline.

Because here’s what usually happens next:

What You Really Get With the Cheapest Contractor:

  • They ghost you after demo.
    Your kitchen’s in rubble, your contractor’s MIA, and you’re left holding a broom and a bill.

  • They use bargain-bin materials.
    Particle board cabinets, dollar-store faucets, off-brand everything. Your buyers will notice—and they’ll run.

  • They leave work unfinished or done wrong.
    Crooked tile, leaky plumbing, shaky stairs. And now
    you’re paying a second contractor to come fix the first one’s mess.

Labor = Expensive Regrets

What looked like a $10K savings often turns into:

  • $20K in rework

  • 4+ weeks of delays

  • Lost buyer confidence and price drops

  • Sleep deprivation and rage-fueled coffee binges

The Fix: Vet Like a Boss

  • Get at least 3 referrals from other investors, not just Aunt Carol who “knows a guy.”

  • Check their license, insurance, and business history. No paperwork? No deal.

  • Ask for real photos of completed jobs—not screenshots from Pinterest.

  • Use clear, detailed contracts with:

    • Scope of work

    • Specific materials and finishes

    • Timelines

    • Payment milestones tied to progress (never pay up front!)

Pro Tip:

Treat your contractor like a partner—not a bargain bin purchase. The right pro might cost more up front, but they’ll save you time, stress, and thousands in damage control.

In flipping, you don’t just get what you pay for. Sometimes you get way less—and a contractor horror story to tell at the next meetup. Avoid that. Choose right, not just cheap.

4. Mistake: Not Pulling Permits

Ah yes, the “skip the permits” shortcut. Sounds tempting when you're staring down tight timelines and ballooning budgets. But here’s the truth: cutting corners on permits doesn’t save you time or money—it just delays the disaster until it’s way more expensive.

What Happens When You Don’t Pull Permits:

  • City Inspectors Shut You Down
    One anonymous neighbor complaint and boom—your project’s halted. Now you’re dealing with stop-work orders, fees, and the city breathing down your neck.

  • You Get Fined (Heavily)
    Municipalities can slap you with thousands in penalties for unpermitted work. And guess what? You’ll still have to pay to fix it.

  • Redoing Work = Double the Cost
    If the inspector shows up and your wiring isn’t to code? Tear it out. Rewire. Pay again. Now your “shortcut” is a detour through budget hell.

  • Appraisal & Exit Strategy Get Nuked
    Want to sell or refinance? Appraisers and buyers will flag unpermitted additions or renovations—and lenders may refuse financing altogether. You just built a beautiful project… that no one can legally buy.

The Fix: Pull. The. Dang. Permits.

  • Talk to your contractor about what requires permits (don’t assume—ASK).

  • Call the city and get clarity on their requirements. Every jurisdiction has quirks.

  • Build permitting time and cost into your project timeline and budget.

Yes, it adds a little friction. Yes, inspectors can be annoying. But you know what’s worse?

Having to tear out a brand-new kitchen
Delaying your sale by months
Facing a lawsuit because your unpermitted work caused a hazard

Pro Tip:

Professional flippers don’t skip legal steps—they build them into the plan. Permits protect your investment, your reputation, and your ability to exit the deal cleanly.

So don’t play the renovation roulette. Go legal, stay safe, and keep your deal (and your sanity) intact.

5. Mistake: Over-Improving for the Neighborhood

Let’s say you dropped quartz countertops, gold hardware, a custom rain shower, and maybe even threw in heated floors… in a $180K neighborhood where homes usually sell with Formica counters and vinyl plank. You just turned your flip into a financial fumble with fabulous finishes.

What Over-Improving Actually Does:

  • You Outprice the Neighborhood
    Your ARV is capped by the market, not your design dreams. If surrounding homes are selling at $180K, buyers (and appraisers) won’t back your $225K vision board.

  • Appraisals Fall Short
    Fancy finishes don’t matter if the appraiser can’t justify the bump. Lenders will only lend up to the market value, and if it’s low? The buyer walks or you eat the gap.

  • You Lose Buyers
    Buyers in that market aren’t shopping for luxury. They want clean, updated, and affordable. When they see your designer masterpiece, they either can’t afford it or don’t want to pay for it.

  • You Burn Profit
    Those high-end materials and upgrades? They come out of
    your bottom line—without returning much (or anything) extra in resale value.

The Fix: Match the Market, Not the Mood Board

  • Study your comps—What finishes are selling? What’s standard for the area?

  • Know your ARV cold and design to hit it—not exceed it

  • Use finishes that are clean, modern, and cost-effective, not over-the-top

  • Think “HGTV on a budget,” not “million-dollar listing in a starter neighborhood”

Pro Tip:

Your job is to spark buyer excitement, not overspend trying to impress them. The goal is to win a bidding war, not make people think, “What’s this doing here?”

So ditch the marble waterfall island and build for the buyer you actually have—not the one you imagined on Pinterest. That’s how you flip for profit, not pride.

6. Mistake: Ignoring the Timeline Trap

In the flip game, time isn’t just money—it’s your profit on a ticking clock. Every week your project drags on eats away at your margins like a slow leak you didn’t patch.

You’re not just holding a property—you’re holding a growing list of expenses:

What Extra Weeks Really Cost You:

  • Loan Interest
    That 12% hard money loan? You’re paying daily. One-week delay = hundreds off your bottom line.

  • Utilities & Insurance
    You’ve got water, power, trash, and property insurance racking up monthly, whether work is happening or not.

  • Property Taxes
    Your tax clock doesn’t pause just because your contractor ghosted you.

  • Opportunity Cost
    Every delayed sale is a missed chance to start the next deal. Slower flips = slower scaling.

  • Market Risk
    In a shifting market, delays can mean selling into a cooler environment—and leaving money on the table.

Why Timelines Slip (and Slip Some More):

  • Contractors overpromise

  • Materials get delayed

  • Inspections take forever

  • Scope creep snowballs

  • And nobody’s keeping track

The Fix: Treat Scheduling Like a Profit Lever

  • Set clear project deadlines for each phase of work

  • Include timelines in your contracts—with penalties for delays and bonuses for early finishes

  • Use project management tools like Trello, Asana, or even Google Sheets to track progress

  • Hold weekly check-ins—with yourself, your crew, and your GC

  • Build buffer time into your analysis (because something will go sideways)

Pro Tip:

You're not just flipping houses. You’re managing a construction business. And in business, the person who controls the timeline wins.

So stop guessing, start tracking, and treat project management like the secret weapon it is—because time lost = profit lost. Every day counts. Make them work for you.

Back to Blog
The Most Common Rehab Mistakes (and How to Avoid Them)

The Most Common Rehab Mistakes (and How to Avoid Them)

February 24, 20258 min read

Mistake: Skipping a Detailed Scope of Work

Want to know one of the fastest ways to torch your profits and blow up your project? Winging it with a vague plan and a handshake deal. No matter how great your contractor seems, without a line-by-line Scope of Work (SOW), you’re not flipping a house—you’re flipping a coin.

What Happens Without a Solid SOW?

  • Contractors bid differently.
    One quotes builder-grade finishes, another assumes quartz countertops and designer tile. Result? Bids are all over the place, and you can’t compare apples to apples.

  • You’ll overspend on “extras.”
    “Oh, you wanted recessed lighting?”
    “You didn’t say soft-close cabinets.”
    “That’s not the paint we usually use.”
    Every unclear detail becomes an upcharge opportunity.

  • Timelines fall apart.
    No written schedule? No accountability. Suddenly your “6-week project” turns into a 4-month money pit with weekly excuses.

How to Fix It: Create a Detailed Scope of Work

This isn’t just a checklist—it’s your project playbook. Include:

  • Room-by-room breakdown of all work to be done

  • Material specs: paint colors, flooring type, cabinet models, fixtures, etc.

  • Finish level expectations: Are we talking rental-grade, retail-ready, or luxury?

  • Timeline milestones: When each phase should start and finish

  • Who’s responsible for what: Materials, labor, permits, inspections

Pro Tip:

If it’s not in writing, it doesn’t exist.
Print it, email it, review it, and have every contractor sign off before work begins. This eliminates confusion, avoids budget bloat, and gives you leverage if things go sideways.

Because in the flip game, clarity isn’t just nice—it’s non-negotiable. And a killer Scope of Work is how you protect your budget, your timeline, and your sanity.

2. Mistake: Underestimating Costs (By a Lot)

You budgeted $30K for the rehab. The final bill hits $60K. Cue the panic, the profit evaporation, and the "how the heck did this happen?" moment. Welcome to one of the most common (and most painful) rookie mistakes in flipping: wildly underestimating your costs.

Why This Happens:

  1. No Deep Inspection

    • You skipped or skimmed your walkthrough. Now the foundation’s cracked, the crawlspace is wet, and the subfloor’s rotten. Surprise!

  2. Hidden Code Upgrades

    • The panel’s outdated, the outlets aren’t grounded, and your “minor” electrical repair just became a full-blown rewire with permit inspections.

  3. Material Price Spikes

    • Lumber goes up. Cabinets are on backorder. Tile costs more than you thought. Prices change weekly, and your spreadsheet can’t predict inflation.

  4. You Forgot the Not-So-Little Things

    • Permits, dumpster rentals, temporary utilities, tool rentals, pest control, staging...
      These “extras” pile up like Amazon boxes on a front porch.

The Fix: Plan for Chaos, Budget Like a Pro

Always build in a 15–20% contingency—minimum.

  • Budget shows $40K? Plan for $46K–$48K.

  • Worst case, you use it.
    Best case, you
    don’t—and your profit looks even prettier.

Pro Tip:

Budget for reality, not fantasy. Treat your initial numbers like a starting point, not a finish line. Get multiple contractor bids, over-communicate on scope, and pad your numbers like you’re trying to impress a hard money lender.

Because when you underestimate, you don’t just overspend—you over-stress, underperform, and risk sinking the whole deal. Better to be overprepared than overbudget.

3. Mistake: Choosing the Cheapest Contractor

Ah yes, the classic budget trap: “This guy’s $10K cheaper—we’ll save a ton!” Spoiler alert: you won't. Going with the lowest bid might feel like a win at first, but it’s one of the fastest ways to tank your flip, drain your budget, and lose weeks—or months—off your timeline.

Because here’s what usually happens next:

What You Really Get With the Cheapest Contractor:

  • They ghost you after demo.
    Your kitchen’s in rubble, your contractor’s MIA, and you’re left holding a broom and a bill.

  • They use bargain-bin materials.
    Particle board cabinets, dollar-store faucets, off-brand everything. Your buyers will notice—and they’ll run.

  • They leave work unfinished or done wrong.
    Crooked tile, leaky plumbing, shaky stairs. And now
    you’re paying a second contractor to come fix the first one’s mess.

Labor = Expensive Regrets

What looked like a $10K savings often turns into:

  • $20K in rework

  • 4+ weeks of delays

  • Lost buyer confidence and price drops

  • Sleep deprivation and rage-fueled coffee binges

The Fix: Vet Like a Boss

  • Get at least 3 referrals from other investors, not just Aunt Carol who “knows a guy.”

  • Check their license, insurance, and business history. No paperwork? No deal.

  • Ask for real photos of completed jobs—not screenshots from Pinterest.

  • Use clear, detailed contracts with:

    • Scope of work

    • Specific materials and finishes

    • Timelines

    • Payment milestones tied to progress (never pay up front!)

Pro Tip:

Treat your contractor like a partner—not a bargain bin purchase. The right pro might cost more up front, but they’ll save you time, stress, and thousands in damage control.

In flipping, you don’t just get what you pay for. Sometimes you get way less—and a contractor horror story to tell at the next meetup. Avoid that. Choose right, not just cheap.

4. Mistake: Not Pulling Permits

Ah yes, the “skip the permits” shortcut. Sounds tempting when you're staring down tight timelines and ballooning budgets. But here’s the truth: cutting corners on permits doesn’t save you time or money—it just delays the disaster until it’s way more expensive.

What Happens When You Don’t Pull Permits:

  • City Inspectors Shut You Down
    One anonymous neighbor complaint and boom—your project’s halted. Now you’re dealing with stop-work orders, fees, and the city breathing down your neck.

  • You Get Fined (Heavily)
    Municipalities can slap you with thousands in penalties for unpermitted work. And guess what? You’ll still have to pay to fix it.

  • Redoing Work = Double the Cost
    If the inspector shows up and your wiring isn’t to code? Tear it out. Rewire. Pay again. Now your “shortcut” is a detour through budget hell.

  • Appraisal & Exit Strategy Get Nuked
    Want to sell or refinance? Appraisers and buyers will flag unpermitted additions or renovations—and lenders may refuse financing altogether. You just built a beautiful project… that no one can legally buy.

The Fix: Pull. The. Dang. Permits.

  • Talk to your contractor about what requires permits (don’t assume—ASK).

  • Call the city and get clarity on their requirements. Every jurisdiction has quirks.

  • Build permitting time and cost into your project timeline and budget.

Yes, it adds a little friction. Yes, inspectors can be annoying. But you know what’s worse?

Having to tear out a brand-new kitchen
Delaying your sale by months
Facing a lawsuit because your unpermitted work caused a hazard

Pro Tip:

Professional flippers don’t skip legal steps—they build them into the plan. Permits protect your investment, your reputation, and your ability to exit the deal cleanly.

So don’t play the renovation roulette. Go legal, stay safe, and keep your deal (and your sanity) intact.

5. Mistake: Over-Improving for the Neighborhood

Let’s say you dropped quartz countertops, gold hardware, a custom rain shower, and maybe even threw in heated floors… in a $180K neighborhood where homes usually sell with Formica counters and vinyl plank. You just turned your flip into a financial fumble with fabulous finishes.

What Over-Improving Actually Does:

  • You Outprice the Neighborhood
    Your ARV is capped by the market, not your design dreams. If surrounding homes are selling at $180K, buyers (and appraisers) won’t back your $225K vision board.

  • Appraisals Fall Short
    Fancy finishes don’t matter if the appraiser can’t justify the bump. Lenders will only lend up to the market value, and if it’s low? The buyer walks or you eat the gap.

  • You Lose Buyers
    Buyers in that market aren’t shopping for luxury. They want clean, updated, and affordable. When they see your designer masterpiece, they either can’t afford it or don’t want to pay for it.

  • You Burn Profit
    Those high-end materials and upgrades? They come out of
    your bottom line—without returning much (or anything) extra in resale value.

The Fix: Match the Market, Not the Mood Board

  • Study your comps—What finishes are selling? What’s standard for the area?

  • Know your ARV cold and design to hit it—not exceed it

  • Use finishes that are clean, modern, and cost-effective, not over-the-top

  • Think “HGTV on a budget,” not “million-dollar listing in a starter neighborhood”

Pro Tip:

Your job is to spark buyer excitement, not overspend trying to impress them. The goal is to win a bidding war, not make people think, “What’s this doing here?”

So ditch the marble waterfall island and build for the buyer you actually have—not the one you imagined on Pinterest. That’s how you flip for profit, not pride.

6. Mistake: Ignoring the Timeline Trap

In the flip game, time isn’t just money—it’s your profit on a ticking clock. Every week your project drags on eats away at your margins like a slow leak you didn’t patch.

You’re not just holding a property—you’re holding a growing list of expenses:

What Extra Weeks Really Cost You:

  • Loan Interest
    That 12% hard money loan? You’re paying daily. One-week delay = hundreds off your bottom line.

  • Utilities & Insurance
    You’ve got water, power, trash, and property insurance racking up monthly, whether work is happening or not.

  • Property Taxes
    Your tax clock doesn’t pause just because your contractor ghosted you.

  • Opportunity Cost
    Every delayed sale is a missed chance to start the next deal. Slower flips = slower scaling.

  • Market Risk
    In a shifting market, delays can mean selling into a cooler environment—and leaving money on the table.

Why Timelines Slip (and Slip Some More):

  • Contractors overpromise

  • Materials get delayed

  • Inspections take forever

  • Scope creep snowballs

  • And nobody’s keeping track

The Fix: Treat Scheduling Like a Profit Lever

  • Set clear project deadlines for each phase of work

  • Include timelines in your contracts—with penalties for delays and bonuses for early finishes

  • Use project management tools like Trello, Asana, or even Google Sheets to track progress

  • Hold weekly check-ins—with yourself, your crew, and your GC

  • Build buffer time into your analysis (because something will go sideways)

Pro Tip:

You're not just flipping houses. You’re managing a construction business. And in business, the person who controls the timeline wins.

So stop guessing, start tracking, and treat project management like the secret weapon it is—because time lost = profit lost. Every day counts. Make them work for you.

Back to Blog