Folks, somebody asked me this at a cookout last summer outside Normal, Illinois — "Chris, what is house flipping, really? Is it that TV stuff?" The question deserves a straight answer, not a sales pitch. So here it is, the way I'd explain it to my neighbor over a paper plate of brisket.
House flipping is buying a property at a low enough price that, after you fix it up, you can sell it for more than every dollar you put in — purchase, repairs, interest, and all the closing costs — and still walk away with a profit. That's the whole thing. You're not keeping the house. You bought it on purpose to sell it, usually inside three to six months. The "flip" just means the short hold. You're in, you fix what's broke, you're out.
I've been doing this here in central Illinois for over 20 years, and I'll tell you up front: the TV version is mostly drama and granite countertops. The real version is arithmetic. The numbers are sacred. People get romantic about old houses, but a house doesn't care about your feelings, and neither does the bank when the loan comes due.
Where the Money Actually Comes From
A lot of new folks think you make your money when you sell the house. You don't. You make it when you buy. Let me show you with real numbers from a deal one of my students closed a couple years back in Bloomington.
Little 3-bed, 1-bath ranch, tired but solid. Dated kitchen, carpet from the Reagan administration, a roof with maybe two years left in it. The fixed-up houses just like it down the street were selling right around $185,000. That fixed-up number is the ARV, the after-repair value — the single most important number in the business, because everything else works backward from it.
We figured the rehab at about $32,000: roof, kitchen, bath, flooring, paint, a little landscaping. He paid $96,000 for the house. Add financing, carrying costs, and the agent commission on the way out, and the all-in was right around $160,000. He sold it at $184,500 and cleared a little over $24,000 on a flip that took four months.
Now here's the part that matters: if he'd paid $120,000 for that same house — which he easily could have, if he'd gotten emotional or let somebody talk him up — that whole $24,000 profit turns into a loss. Same house, same rehab, same sale price. The only thing that changed was what he paid going in. That's why I tell everybody the profit is made at the kitchen table when you write the offer, not on the day you sell.
How a Flip Actually Goes, Start to Finish
People love to make this complicated. It isn't. It's the same handful of steps every time, and I've run this sequence a few hundred times now.
You find a house priced below what it'll be worth fixed up. Usually that means it's distressed somehow — neglected, tied up in an estate, owned by a tired landlord, or the seller's just got a problem they need solved. We don't buy houses, we solve problems. I've gotten more good deals from being the calm fellow who helped a family figure out what to do with Mom's old place than from any fancy marketing.
You estimate the repairs — accurately. This one humbles beginners. You walk the house with a notepad or a contractor and price out every line: roof, furnace, plumbing, electrical, flooring, kitchen, bath, paint, the lot. I've done this two decades and I still add a 15 to 20 percent cushion, because something behind a wall always surprises you. Underestimate the rehab and you can eat your whole margin on one bad guess. If you want to see exactly how I run those numbers before I ever make an offer, I laid the whole worksheet out in my piece on how to estimate your profit before you buy.
You line up the money. Most folks don't flip with their own cash starting out. They use hard money — short-term loans built for exactly this, that close fast and care more about the deal than your tax returns — or private lenders, regular people in your network who'd rather earn interest on a real asset than watch their money sit in a 4 percent CD. Either way, that money costs you, and every dollar has to be in your math before you buy. I walked through how all that works in plain English over in how to finance your first house flip.
You do the work, and you do it fast. Once you own that house, the clock is your enemy. Interest, taxes, insurance, the gas bill — every single day you hold the property, it's costing you money whether a hammer swings or not. On that Bloomington ranch my student bought, the daily carry was right around $55. Doesn't sound like much until a project drags an extra month and you've handed back $1,600 for nothing. Speed isn't about cutting corners. It's about having your contractor booked, your materials picked, and your listing date set before you ever close.
You sell it. Renovation's done, you put it on the market — almost always through an agent who knows your local buyer pool — and you price it right at what the comps say, not a dollar more out of greed. Price it high and it sits, and every day it sits eats your profit. If you want the whole sequence walked through step by step, I put it all together in how to start house flipping.
The 70% Rule — and Why I Don't Worship It
You'll hear about the 70% Rule everywhere, so let me explain it plain. It's a quick gut-check that says: don't pay more than 70 percent of the ARV, minus your repairs.
So on a house with a $185,000 ARV and $32,000 in repairs, the rule says pay no more than (185,000 × 0.70) − 32,000, which works out to about $97,500. That 30 percent gap is meant to cover your financing, your carrying costs, your closing fees on both ends, and your actual profit.
Now, I use that rule the way you'd use a porch railing — something to lean on, not something to bet your life on. In a hot market I've gone a touch over 70 percent on a clean house in a neighborhood I know cold. On a house with question marks — a sketchy foundation, a roof I can't fully see, thin comps — I hold below 70 percent and sleep just fine. The rule keeps you from overpaying, and overpaying is the most common way a flip goes sideways. But it's a guardrail, not a gospel.
What Makes a House Worth Flipping
Not every cheap house is a good flip. After two decades I can usually tell in the first ten minutes walking through. The good ones share a few things:
- There's real room in the price. Enough margin to cover every cost and still pay you for your trouble and your risk.
- People actually want to live there. A beautiful rehab in a neighborhood nobody's buying in is a beautiful way to lose money. You need ready buyers when you list.
- The work is mostly cosmetic. Kitchens, baths, flooring, paint, landscaping — that's the sweet spot. Foundations, major structural, full system replacements — those are deeper water, and I'd steer a beginner clear of them.
- Good bones underneath. Solid structure, a roof with some life, systems that work even if they're ugly. Dated is fine. Broken-everywhere is a different business.
- Comps you can actually see. You need recently-sold, fixed-up houses nearby to trust your ARV. No comps means you're guessing, and guessing is how people get hurt.
So How Much Do Flippers Actually Make?
I'll be honest, because the numbers are sacred and I won't dress them up. The national data outfits peg the average gross profit on a flip in the $60,000 to $75,000 range in recent years. But that's gross — before financing, before carrying costs, before the agent gets paid. What lands in your pocket, the net, is a good deal less. That $24,000 my student cleared on the Bloomington ranch is a lot closer to what a real flip nets than the headline numbers online.
And it swings wide. Buy right, move fast, sell clean, and you do well. Overpay, run long, or get stubborn on the price, and you can make next to nothing — or write a check at closing. I've done both over 20 years. The difference, every time, came down to discipline on the numbers, not luck.
A Couple of Cousins to the Flip
There's more than one way to skin this. A cosmetic flip — paint, flooring, fixtures, a kitchen and bath refresh — is the cleanest and most predictable, and where I'd send any beginner first. A full gut — new plumbing, wiring, furnace, structural work — can pay bigger but carries a lot more rope to hang yourself with. And there's wholesaling, where you get a distressed house under contract and sell that contract to another investor for a fee, anywhere from a few thousand up past $15,000, without ever swinging a hammer. The "flip" there is the paper, not the house. Different business, same neighborhood.
The Honest Risks
Honest investing means honest risk-talk, so here are the real ways a flip goes wrong:
- You overpaid. Number one cause, every time. Too optimistic on the ARV, or you got emotional and bid up. No amount of good renovating saves a bad buy.
- The rehab ran over. Hidden structural, permit headaches, a contractor who vanishes. I had a student eat $2,800 in extra carry when a fellow disappeared for nine days mid-job.
- The market shifted while you held. Values soften, buyers get nervous, and your ARV comes in lower than you planned.
- The financing got tight. Hard money is short-term. Drag the project out and you may be refinancing or extending — and paying for the privilege.
Is It Right for You?
House flipping pays people who'll learn their market, do the math honest, build a team they trust, and walk away from a deal that doesn't work — even after they've fallen a little in love with the house. It is not passive income, not at the start. It's a real business with real risk and a real reason to show up every day.
I'm just an old grumpy grandpa-looking guy who taught high-school English for ten years before I ever bought a house, so believe me when I say anybody willing to respect the numbers can learn this. If you want something simpler and hands-off, a long-term rental might suit you better. But if you'll do the work, flipping can build real capital.
Whatever you choose, learn this one thing before you risk a dollar: know what you're buying, know what it'll cost to fix, and know what it'll sell for. Get those three numbers honest and you're already ahead of most folks who try this. The numbers are sacred. Start there.
Chris Albin and CRARE Instruction do not guarantee any level of money, success, or lifestyle from learning any of the strategies discussed here. The information in this post is of a general nature and is not intended to replace specific advice you may receive from a licensed professional for legal, financial, or business decisions. Individual results will vary depending on several factors, including your starting point, your effort, and your resources. All information is believed to be true and accurate, and is subject to change without notice.
