What’s one thing you wish you knew before your first flip?

Question

I’ve been thinking about this lately and wanted to hear from people who have actually been through it.

What was the biggest lesson you learned after doing your first flip that you didn’t expect going in?

Was it the rehab, contractors, financing, estimating the numbers, finding the right property, or something else?

A lot of people focus on buying the deal, but I feel like the real education starts after you own the property.

Would love to hear some real experiences from people who have done it.

Arman Ahmed · Answer

The biggest lesson for me is that the deal needs to work with conservative numbers, not best-case numbers. Rehab costs almost always seem to find a way to surprise you, so I’d get multiple contractor estimates, build in a healthy contingency, and verify the ARV with real comps before closing. A good contractor and boots-on-the-ground team can save you far more money than squeezing another few thousand out of the purchase price.

Andrew Glisson · Answer

Code enforcement can and will disagree with each other and force your product into an infinite loop.

Dan Handford · Answer

One lesson that surprised me was how much the calendar affects the deal. A two-week delay can become six weeks once you include inspections, draw approvals, material lead times, and contractor sequencing. Meanwhile, interest, insurance, taxes, utilities, and lawn care keep accumulating. I would build a detailed weekly carry-cost estimate into the original budget, then stress test the project for at least a 60 to 90 day delay. That makes it easier to make calm decisions when the schedule inevitably moves.

Ashish Acharya · Answer

@Jake Nissan, The tax side is one of the more common blind spots people don't expect going into a first flip. Flip income gets taxed as ordinary income, not capital gains, and if you're doing enough volume it likely comes with self employment tax on top, a lot of first timers assume it'll be treated like a straightforward investment sale and get caught off guard by the actual tax bill. Holding period matters too, sell before hitting a year and it's short-term regardless of anything else, sell after and even a similar profit can end up taxed very differently depending on how the activity's characterized.

The other lesson that tends to show up after the fact, every dollar spent during the rehab and holding period gets capitalized into your basis rather than deducted along the way, so cash flow during the project feels a lot tighter than people expect since there's no current-year deduction offsetting those costs until the sale actually closes. If the numbers end up tight or the flip turns into a longer hold than planned, knowing that ahead of time changes how someone budgets for the unexpected overruns that almost always show up once walls come down.

One thing worth pairing with the flip income going forward, if you're also holding rentals or running another business alongside flipping, losses from cost segregation on the rental side, or deductions from another active business, can sometimes offset the ordinary income the flip generates, that combination is one of the bigger levers people miss since they treat the flip as its own isolated tax event rather than part of the full picture.

Happy to connect!

Yi Xu · Answer

The lesson for me was that the number everyone argues about, the rehab budget, was never the one that hurt. The number sitting under the ARV was.

On a house I underwrote a while back the MLS said 3,367 sqft. The county assessor said 2,483 finished plus an 884 sqft unfinished basement. Every comp-based ARV I had built on the listing number was wrong by roughly a third before I had priced a single cabinet. At the listing's square footage the asking price worked out to $120/sqft, which screamed bargain. At the county's finished number it was $163/sqft, above every renovated comp on the street. Same house, same asking price, completely different deal, and the only thing that changed was which square footage I typed into the spreadsheet.

Second thing I wish I knew: not every sold record is a comp. Two of the "sales" an agent sent me were a trustee's deed out of a foreclosure and a transfer between relatives. They show up as sales, they are not market prices, and they were the two numbers propping up the ARV.

What I do now before any offer: pull the county record and the deed history myself, it takes an evening and costs nothing. Then I run a 3x3 grid, three sale prices (the ARV I believe, 5% under, 10% under) against three rehab numbers (the bid, bid plus 10%, bid plus 20%), and I only buy if most of the nine boxes still clear my minimum profit. On that 3,367 sqft house eight of the nine were red, and the rehab estimate itself was actually fine.

Dan's point about the calendar is the other half of this. Carry cost is the same grid with a time axis added.

Jake, when you run a deal right now, where does your square footage number come from, the listing or the assessor?

Andy Sabisch · Answer

Permits can be the death of a deal. Delays are costly and getting the permits approved and then inspected can wreck even the most conservative of estimates. The sad thing is we have found that one township can be a bear to work with while the next one down the road makes things easy. After getting burned on the first few deals, we found out where to focus our efforts and where to avoid for this very reason

Dan Handford · Answer

That is a great point. When different inspectors interpret the same issue differently, the schedule risk can be worse than the repair itself. One practical safeguard is to document every conversation, confirm required corrections in writing, and build permit and reinspection time into the schedule before work begins.

Sarah Jones · Answer

It takes a lot to truly prepare for contractor dynamics and hidden scope changes until you're holding the keys. From a desk perspective, missing contingency buffers by even 5% usually creates the biggest strain on project timelines.

What was the single largest unexpected line item that popped up during your first rehab?

​What was the single largest unexpected line item that popped up during your first rehab?

What’s one thing you wish you knew before your first flip?

What’s one thing you wish you knew before your first flip?

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