If you’ve ever watched HGTV for more than 20 minutes, you’ve probably thought: “I could do that. Buy a house, renovate it, sell it for $100k more, repeat.” And you’re not wrong — house flipping can be incredibly profitable. But TV skips over the parts that will absolutely destroy your margins if you’re not careful.
Here’s the real story on flipping houses.
The Golden Rule of Flipping: The 70% Rule
Before you make an offer on any flip, use the 70% rule to quickly gauge if it’s worth pursuing:
Maximum Purchase Price = (After Repair Value x 70%) – Renovation Costs
Example: A home will be worth $300,000 fixed up (the ARV). Renovations will cost $40,000.
($300,000 x 0.70) – $40,000 = $210,000 – $40,000 = $170,000 maximum offer
If the seller wants $200,000, walk away. The numbers don’t work.
The True Costs of a Flip (The Parts TV Ignores)
Here’s everything that eats your profit that most beginners forget to account for:
- Purchase price
- Renovation costs (always add 15–20% for surprises)
- Holding costs: Monthly mortgage/hard money interest, property taxes, utilities, insurance, HOA — every month you hold the property costs money
- Closing costs on purchase: 2–3% of purchase price
- Closing costs on sale: 6–8% of sale price (agent commissions + fees)
- Staging and photography: $1,000–3,000
- Capital gains tax: Short-term flips (held under 1 year) are taxed as ordinary income
Add it all up honestly. Many “profitable” flips on paper turn into breakevens or losses when you account for every cost.
Finding Flip Properties: Where to Look
- MLS: The most obvious source — look for price reductions, days-on-market, and distress keywords
- Auctions: Tax lien auctions, courthouse steps, online auctions (Auction.com, Hubzu)
- Direct mail: Send letters or postcards to absentee owners, inherited properties, pre-foreclosures
- Wholesalers: Investors who find distressed properties and sell the contract to flippers
- Driving for dollars: Look for vacant, overgrown, or clearly neglected homes in target neighborhoods
Managing Your Flip: Scope of Work and Contractor Selection
Your renovation budget will make or break the flip. Before closing:
- Walk the property with a contractor and get a detailed written estimate
- Get at least 3 bids for major work
- Write a specific scope of work — not “redo kitchen” but “replace cabinets, install quartz countertops, replace appliances, repaint”
- Never pay more than 30–40% upfront to any contractor
- Tie payments to completed milestones, not dates
The Most Common Flip Mistakes
- Overestimating the ARV (talk to 3 agents before deciding)
- Underestimating renovation costs (first-time flippers typically underestimate by 30–50%)
- Forgetting holding costs (every extra month costs you $2,000–5,000+)
- Over-renovating for the neighborhood (granite counters in a $120k neighborhood is money wasted)
- Not having reserves for surprises (always have $20–30k extra available)
The Bottom Line
House flipping is a real business that requires capital, knowledge, and discipline. When done right, a single flip can net $30,000–$100,000+ in profit. When done wrong, it can wipe out your savings. Do your numbers, work with experienced contractors, and never fall in love with a deal that doesn’t work on paper.