Flip It hands you a tired house, a budget, and a dream of easy profit. Buy low, renovate, sell high — how hard can it be? Then the plumbing turns out to be older than the deed, the market cools the week you list, and you discover that "adding value" and "spending money" are not the same thing.
Television makes flipping look like a montage; the reality runs on a few unforgiving numbers. Two anchor the whole trade. After-repair value (ARV) is what the home should sell for once renovations are done, estimated from comparable sales nearby. The 70% rule is the classic guardrail many investors use: don't pay more than about 70% of the ARV minus your estimated repair costs, leaving a margin to absorb surprises and still profit. Blow past that ceiling and the deal quietly stops working.
The game's traps are the real ones. Over-renovating pushes a house above the neighborhood's price ceiling, so you can't recover the spend no matter how nice the kitchen is. Hidden repairs — wiring, foundations, the things behind the walls — eat margin you didn't budget for. And holding costs (mortgage, taxes, insurance, utilities) keep draining money every month the house sits, which is brutal when the market goes cold and buyers vanish. Flipping is a numbers discipline, not a decorating show. Our Flip It strategy guide works through the math, and how mortgage refinancing works explains the financing side that often decides whether a flip pencils out.
After-repair value: the estimated price a home will sell for once renovations are complete, based on comparable recent sales in the same area.
A common flipping guideline: pay no more than roughly 70% of the ARV minus repair costs, so there's margin left for surprises and profit.
Every neighborhood has a price ceiling. Upgrades that push a home above what the area supports rarely return their cost when you sell.
The ongoing expenses of owning the property while you renovate and sell — mortgage, taxes, insurance, utilities — which mount every month, especially in a slow market.
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