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  1. Home
  2. Real Estate Investing
  3. Fix and Flip Profit Calculator

Fix and Flip Profit Calculator

Calculate the profit and ROI of a fix-and-flip real estate investment.

What is Fix and Flip Profit Calculator?

The Fix and Flip Profit Calculator helps investors analyze the profitability of house flipping projects.

Formula

Total Investment = Purchase Price + Rehab Costs + Closing & Holding Costs
 
Profit = ARV − Total Investment
ROI = (Profit / Total Investment) × 100
Profit Margin = (Profit / ARV) × 100
 
70% Rule: Purchase Price + Rehab ≤ ARV × 0.70
 
Where: ARV = After Repair Value
 
Example: $280K ARV − ($150K Purchase + $40K Rehab + $15K Costs) = $75K Profit

How to Calculate

  1. Enter purchase price and rehab costs.
  2. Input ARV and additional costs.
  3. View profit and ROI.

Example

A $150K purchase with $40K rehab, $280K ARV, and $15K costs yields significant profit.

Key Benefits

  • Subnet mask network host part clear
  • CIDR notation to netmask conversion
  • Network range and broadcast address
  • Efficient network design planning

Common Mistakes to Avoid

  • Subnet mask 255.255.255.0 24 bits not 24 hosts
  • Classful vs classless CIDR confusion
  • First and last address reserved and broadcast

Pro Tips

  • 24 equals 256 IPs minus network broadcast = 254 usable
  • CIDR slash notation now standard
  • Each increment halves available hosts

Key Terms Explained

IP Address
Device identifier dotted decimal
Subnet Mask
Separates network and host
CIDR
Slash notation for prefix length
Broadcast
Last address all hosts receive

When to Use This Calculator

  • Network infrastructure planning
  • Firewall rule configuration
  • DevOps cloud subnet design

Common Use Cases

  • Flip analysis
  • Deal evaluation
  • Investment planning

Frequently Asked Questions

What is the 70% rule in house flipping?
The 70% rule says you should pay no more than 70% of ARV minus rehab costs to ensure profitability.

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