Key Takeaways
- The 70% Rule: Never pay more than 70% of ARV minus repair costs
- Budget 10-20% contingency for unexpected renovation costs
- Each month of holding costs directly reduces your profit
- Factor in 8-10% selling costs (agent commission + closing)
- A good flip typically yields 15-25% ROI
House Flipping: A Complete Guide
| Cost Category |
Typical Range |
Notes |
| Purchase price | — | Acquisition cost |
| Closing costs (purchase) | 2–5% of purchase price | Title, escrow, transfer taxes, inspection |
| Renovation / rehab costs | Highly variable | Kitchen $15K–$75K; bath $5K–$30K; full gut $50K–$200K+ |
| Holding costs (monthly) | 1–2% of purchase price/month | Property taxes, insurance, utilities, HOA |
| Hard money loan interest | 8–14% annualized | Typical private/hard money rate; short-term |
| Financing origination fees | 1–3 points | On hard money or bridge loans |
| Real estate agent commission | 5–6% of sale price | Typically 2.5–3% per side |
| Closing costs (sale) | 1–3% of sale price | Title, escrow, transfer taxes |
| Capital gains tax | 10–37% (short-term) | Short-term rates apply if held < 12 months |
| Total transaction cost estimate | 15–25% of ARV | Wide range; 20% is a common rule of thumb |
| Scenario |
After Repair Value (ARV) |
70% of ARV |
Estimated Repair Cost |
Maximum Purchase Price |
| Small flip (cosmetic) | $200,000 | $140,000 | $15,000 | $125,000 |
| Medium flip (moderate rehab) | $300,000 | $210,000 | $50,000 | $160,000 |
| Large flip (full rehab) | $400,000 | $280,000 | $100,000 | $180,000 |
| Distressed property | $350,000 | $245,000 | $120,000 | $125,000 |
| Note: 70% Rule formula: Maximum Purchase Price = (ARV × 0.70) − Estimated Repair Cost. This rule ensures roughly 30% of ARV is available for all costs and profit. |
| Market |
Median Flip Gross Profit |
Gross ROI |
Avg Flip Time |
Notes |
| National average | ~$66,000 | ~30% | 6–9 months | ATTOM Data Research |
| Hot markets (FL, TX, AZ) | $70,000–$90,000 | 30–40% | 4–7 months | Higher competition |
| Rust Belt / Midwest | $50,000–$75,000 | 40–60% | 6–12 months | Lower purchase prices, lower ARV |
| Coastal luxury markets | $100,000–$200,000 | 15–25% | 6–18 months | Higher ARV but higher costs |
| First-time flipper (realistic) | $20,000–$50,000 | 15–25% | 9–15 months | After unexpected costs |
| Note: These are gross ROI figures. Net ROI after financing, taxes, and all holding costs is typically 10–20% lower. Many first-time flips break even or lose money due to cost overruns and timeline extensions. |
House flipping involves purchasing a property, renovating it, and selling it for a profit. While it can be highly profitable, successful flipping requires careful analysis, accurate cost estimation, and good project management.
The 70% Rule Explained
The 70% rule is a popular guideline used by real estate investors to determine the maximum price they should pay for a flip property.
Maximum Purchase Price = (ARV x 70%) - Renovation Costs
For example, if a property has an ARV of $300,000 and needs $50,000 in renovations:
Max Purchase = ($300,000 x 0.70) - $50,000 = $160,000
The 70% rule leaves 30% of the ARV to cover selling costs (typically 8-10%), holding costs, and your profit margin (usually 10-15%).
Understanding Flip Costs
Acquisition Costs
- Purchase price
- Closing costs (title insurance, attorney fees, transfer taxes)
- Loan origination fees and points
- Inspection and appraisal fees
Renovation Costs
- Materials and labor
- Permits and inspections
- Unexpected repairs (budget 10-20% contingency)
- Contractor fees or general contractor markup
Holding Costs
- Mortgage or hard money loan payments
- Property taxes
- Insurance
- Utilities
- HOA fees (if applicable)
- Property maintenance and security
Selling Costs
- Real estate agent commission (5-6%)
- Seller closing costs (1-3%)
- Staging and marketing
- Buyer concessions or credits
Common Renovation Cost Estimates
| Renovation Type |
Cost Range |
| Kitchen Remodel (full) |
$25,000 - $75,000 |
| Kitchen Remodel (cosmetic) |
$5,000 - $15,000 |
| Bathroom Remodel (full) |
$10,000 - $30,000 |
| Bathroom Remodel (cosmetic) |
$3,000 - $8,000 |
| New Roof |
$8,000 - $20,000 |
| HVAC System |
$5,000 - $15,000 |
| Flooring (per sq ft) |
$3 - $12 |
| Interior Paint (per sq ft) |
$1 - $3 |
| Windows (per window) |
$300 - $1,000 |
| Electrical Update |
$3,000 - $10,000 |
Tips for Successful Flipping
Pro Tip: Know Your Market
Understand what buyers want in your target neighborhood. Over-improving for the area is a common mistake that erodes profits. Research comparable sales thoroughly before estimating your ARV.
Build a Reliable Team
Develop relationships with contractors, real estate agents, lenders, and inspectors. A good team can make or break your flip.
Budget for Contingencies
Always add 10-20% to your renovation budget for unexpected issues. Old houses especially can hide expensive surprises.
Time is Money
Every month of holding costs reduces your profit. Create detailed renovation timelines and hold contractors accountable.
Focus on High-Impact Improvements
Kitchens, bathrooms, and curb appeal provide the best ROI. Fresh paint, new flooring, and updated fixtures go a long way.
Risks to Consider
Common Flipping Risks
- Market timing: Property values can decline during your holding period
- Renovation overruns: Costs frequently exceed estimates
- Extended timelines: Delays increase holding costs significantly
- Selling delays: Properties may take longer to sell than expected
- Hidden problems: Foundation, mold, or structural issues can destroy profits
Frequently Asked Questions
How accurate are the results?
The Property Flip applies a standard formula to your inputs — accuracy depends on how precisely you measure those inputs. For planning and estimation, results are reliable. For high-stakes or professional decisions, cross-check the output with a domain expert or primary source.
What inputs have the biggest effect on the result?
In most financial calculations, the variables with the highest sensitivity are the rate (interest, return, or tax) and time. Try adjusting each by 10-20% to see which one moves the output most — that's where your energy in improving the input estimate is best spent.
What is the 70% rule in house flipping?
The 70% rule is the most widely used quick-analysis formula in house flipping. It helps determine the maximum price you should pay for a property to ensure sufficient profit margin. Formula: Maximum Purchase Price = (After Repair Value × 0.70) − Estimated Repair Costs. Where: After Repair Value (ARV) = the estimated value of the property after all renovations are completed. 0.70 = 70% of ARV (the rule). The remaining 30% covers: all transaction costs (buying and selling: ~8–12%), all holding costs (carrying costs while renovating: ~3–6%), renovation cost overruns (buffer), and profit margin (~10–15%). Example: ARV = $300,000. Estimated repairs = $50,000. Maximum purchase price = ($300,000 × 0.70) − $50,000 = $210,000 − $50,000 = $160,000. If you can buy for $160,000 or less and renovate for $50,000 or less, you should make a profit. When to adjust the 70% rule: use lower than 70% if: the market is softening (prices trending down). Carrying costs are high (hard money loan + long renovation timeline). You're in a high-property-tax area. Use higher than 70% (cautiously) if: it's a fast-moving, hot market where you can sell quickly. You're using cash (no financing costs). You have very high certainty on repair costs. The 70% rule is a starting filter, not a guarantee. Always do detailed cost analysis before committing to a purchase. Many experienced flippers use 65% in the current environment to account for higher interest rates and market uncertainty.
How much profit do house flippers typically make?
Average house flipping profit in the US (based on ATTOM Data research): median gross profit: ~$66,000 per flip (2023). Gross ROI: approximately 30% of the purchase price. However, these are gross figures before financing costs, taxes, and all transaction costs. Net profit reality: after all costs (transaction costs, financing, taxes): net profit is typically 40–60% lower than gross profit on many flips. Median net profit: $25,000–$45,000 per flip is a realistic range for most markets. Factors that significantly affect profit: purchase price vs. ARV spread: the wider the spread, the more room for profit. Renovation cost accuracy: cost overruns are the #1 killer of flip profits (plan for 15–20% overrun buffer). Timeline: every extra month costs holding costs + financing. Market conditions at time of sale. Financing costs: cash flips are significantly more profitable than financed flips. Tax treatment: short-term capital gains (held < 12 months) are taxed as ordinary income — could be 32–37% for successful flippers. First-time flipper reality: many first-time flippers break even or lose money due to: underestimating renovation costs. Overestimating ARV. Underestimating holding time. Unexpected issues (foundation, electrical, plumbing behind walls). Rule of thumb: experienced flippers target a minimum of 20% net ROI on purchase price before considering a deal. Less than that, and unexpected issues can quickly turn a profitable deal into a loss.
What are the biggest costs in house flipping?
Understanding the full cost structure of house flipping is critical — many flippers underestimate total costs by 30–50%, turning what looks like a profit into a loss. The major cost categories: 1. Renovation / rehab costs: typically the largest single cost. Common ranges: kitchen: $15,000–$75,000. Bathrooms: $5,000–$30,000 each. Full gut renovation: $50,000–$200,000+. Cosmetic flip (paint, flooring, fixtures): $15,000–$40,000. Rule: always add 15–20% contingency buffer for unknowns. 2. Financing costs: hard money loans: 8–14% annualized + 1–3 origination points. On a $200,000 loan at 10% for 9 months: $200,000 × 10% × (9/12) = $15,000 interest + $2,000–$6,000 origination. Total financing costs often $15,000–$25,000 per flip. 3. Transaction costs (buy + sell): purchase closing costs: 2–5% of purchase price. Sale closing costs: 1–3% of sale price. Agent commissions: 5–6% of sale price. Total transaction friction: ~10–15% of purchase price. 4. Holding costs (monthly): property taxes: varies by location. Insurance: $100–$300/month for vacant property. Utilities: $200–$500/month to keep heat/power on during renovation. HOA fees (if applicable). Total holding costs: ~1–2% of purchase price per month of hold time. 5. Capital gains taxes: short-term gains (held < 12 months): taxed at ordinary income rates (10–37%). If you make $60,000 in the 32% bracket: $19,200 to federal taxes. Long-term gains (held 12+ months): 0%, 15%, or 20% depending on income. Note: flipping properties held < 12 months is extremely common due to market timing goals, but it triggers the highest possible tax rates.
How long does it take to flip a house?
The average house flip takes 6–9 months from purchase to closing on sale, but this varies significantly by project type and market conditions. Timeline breakdown: 1. Finding and closing on the property: time to find the right deal at the right price: 1–6 months. Closing with conventional financing: 30–45 days. Closing with hard money / cash: 7–21 days. 2. Renovation phase: cosmetic flip (paint, flooring, fixtures): 2–4 weeks. Light rehab (cosmetic + kitchen or bath): 4–8 weeks. Moderate rehab (multiple rooms + systems): 2–4 months. Full gut renovation: 4–8 months. Common delays: permitting (can add weeks or months). Contractor scheduling issues. Unexpected discoveries (foundation issues, hidden mold, outdated electrical/plumbing). Material delays. 3. Listing, selling, and closing: average days on market in current US market: 30–60 days. Contract-to-close: 30–45 days (conventional financing buyer). Cash buyer: 10–21 days. Financial impact of timeline: holding costs accumulate every month. A renovation that runs 2 months over schedule on a $250,000 loan at 10% hard money = $4,167 extra in interest. If carrying costs are $2,000/month: that's $8,167 in unexpected costs from a 2-month delay. How to reduce timeline: use cash or hard money to close quickly. Have contractor lined up before closing. Pull permits proactively. Hire experienced, reliable contractors (even if slightly more expensive). Do not cut scope on items that will reduce days on market (curb appeal, kitchen, baths).