The 70% Rule Explained: How to Calculate Maximum Purchase Price
The 70% rule is the most widely used formula in fix-and-flip investing. Learn how it works, when to use it, and when to break it.
How you sell your flip matters as much as how you buy it. Compare the three primary disposition channels.
The disposition (sale) strategy for a completed flip affects your sale price, timeline, transaction costs, and buyer pool. The three primary channels — MLS, off-market, and auction — each have distinct advantages.
MLS listing is the default disposition strategy for most flips. It provides maximum exposure to the broadest buyer pool (including retail buyers who pay the highest prices), professional marketing infrastructure, and access to buyer's agents who bring qualified buyers. The trade-off is commission costs (5–6% of sale price) and the time required for marketing, showings, and the closing process (typically 30–60 days from listing to close).
Off-market sales to investors skip the retail market entirely. You sell directly to another investor (often a buy-and-hold landlord) at a discount from retail value. The advantages are speed (close in 7–14 days), certainty (cash buyers, no financing contingencies), and lower transaction costs (no agent commissions, though you may pay 1–2% to a wholesaler or bird dog). The trade-off is a lower sale price — typically 5–15% below retail. Off-market sales make sense when speed is critical, the market is soft, or the property's highest use is as a rental rather than owner-occupied.
Auction platforms like Auction.com, Hubzu, or local auction houses create urgency through competitive bidding and fixed timelines. Auction sales can produce retail or near-retail prices in a compressed timeframe (30 days from listing to close). They work well for unique properties that are hard to comp or properties in markets with strong investor demand. The downside is less control over the final price and auction platform fees (3–10% buyer's premium).
Hybrid strategies combine channels. List on the MLS for 14 days, and if no acceptable offers materialize, transition to an investor sale or auction. Having pre-arranged backup options prevents the extended listing periods that erode profitability.
The right disposition strategy depends on your priorities: maximum price favors MLS, maximum speed favors off-market investor sales, and maximum certainty favors pre-arranged investor relationships.
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