How to Screen 50 Deals in One Morning Using Free Calculators
The difference between a part-time flipper and a full-time investor is simple: speed. The person who wins the deal isn’t the one with the best instincts. It’s the one who can run the numbers in 90 seconds and say yes or no before anyone else has pulled out a spreadsheet.
Here is the 2026 reality. Conventional loans are sitting at 7.5%. Hard money is at 12%. Cap rates in most metro areas are compressed to 4% to 6% on stabilized multifamily. You cannot afford to waste time on deals that look good in a text message but die in the underwriting.
The goal is to screen 50 deals in one morning. That means you need a system, a calculator, and a hard stop for each property. No second looks. No “maybe later.” If it doesn’t pass the first two filters, kill it and move on.
Step 1: Filter by the 70% Rule (30 Seconds)
The fastest filter for a fix-and-flip is the 70% rule. This is not a strategy. It is a gate. The formula is simple: Maximum purchase price = (After Repair Value x 0.70) – Repair Costs. If the asking price is above that number, the deal is dead.
In 2026, with hard money at 12% and holding costs eating into margins, you need to be strict. Do not use 75% or 80% unless you are buying in cash and have zero carrying costs. Use 70% for hard money deals. Use 72% for conventional with a low rate.
Open the 70% Rule Calculator. Plug in the ARV, the estimated repairs, and the asking price. If the calculator shows a negative number or a margin under 10%, delete that deal from your list. Do not negotiate. Do not counter. Move to the next one.
You should be able to screen 40 of your 50 deals in 20 minutes using just this rule. Most listings online are overpriced. The 70% rule will cut through that noise fast.
Step 2: Check the Cap Rate for Cash Flow (45 Seconds)
For buy-and-hold properties, the 70% rule does not apply. You need to look at the cap rate. In 2026, a good cap rate for a Class B or C property is 6% or higher. Anything below 5% is a gamble unless you are in a high-growth market with strong rent appreciation.
Open the Cap Rate Calculator. Enter the net operating income (NOI) and the asking price. The calculator gives you the cap rate instantly. If it is below your target, move on.
Do not get attached to neighborhoods or finish levels. Cap rates do not lie. A 4.2% cap on a $500,000 duplex in a “hot” area is a bad deal when the DSCR loan requires a 1.25 debt service coverage ratio. You cannot pay the bank with hopes.
Step 3: Verify with a DSCR Check (30 Seconds)
Many investors skip this step and regret it. The DSCR (Debt Service Coverage Ratio) tells you if the rent covers the mortgage. In 2026, banks want a minimum of 1.25 for a conventional DSCR loan. For hard money, some lenders will go to 1.15, but the interest rate is 12%, so the payment is higher.
Open the DSCR Calculator. Input the monthly rent, the loan amount, and the interest rate. If the ratio is below 1.25, the deal will not cash flow. If it is below 1.15, you are losing money every month even if the property appreciates.
For the 50-deal screen, use this as the final filter for rental properties. If the cap rate looks good but the DSCR is under 1.2, drop it. The math does not work with 7.5% conventional rates today.
Step 4: Compare Side by Side (2 Minutes per Batch)
After the first three filters, you will have maybe 10 deals left. Now you need to compare them directly. Do not rely on memory. Open the Compare Deals tool. Enter the key numbers for each property: purchase price, ARV, repairs, rent, expenses.
This tool shows you the return on investment (ROI), cash-on-cash return, and total profit side by side. You can see in one glance which deal has the best margin. It also highlights the risk. If one deal has a 15% ROI but requires $80,000 in repairs, and another has a 12% ROI with $20,000 in repairs, the second one is safer in a high-interest market.
Use this tool to rank your top 5 deals. Those are the ones you call on that afternoon.
Step 5: Run a Full Rental Projection (5 Minutes per Top Deal)
For the top 5 rental deals, you need to go deeper. A cap rate and DSCR check is not enough. You need to see the 5-year projection including vacancy, repairs, property management, and tax increases.
Open the Rental Property Calculator. Enter everything: purchase price, down payment, loan terms, rent, expenses, appreciation rate. The calculator will show you the monthly cash flow, total return, and internal rate of return (IRR).
In 2026, a good rental deal should show at least $200 per month in positive cash flow after all expenses, including a 5% vacancy reserve and 10% for repairs. If the IRR is below 8%, the deal is not worth the risk compared to a low-cost index fund.
The Morning Routine
Here is the exact schedule.
7:00 AM to 7:30 AM: Pull 50 deals from the MLS, wholesaler lists, or auction sites. Write down the address, asking price, ARV, and estimated repairs. Do not do any research yet.
7:30 AM to 8:30 AM: Run all 50 through the 70% rule and cap rate filter. Kill 40 deals. You will have 10 left.
8:30 AM to 9:00 AM: Run the 10 left through the DSCR check. Kill another 5. You now have 5 deals.
9:00 AM to 10:00 AM: Compare the 5 deals in the Compare tool. Pick the top 2. Run those through the Rental Property Calculator.
By 10:30 AM, you have 2 real deals to pursue. The other 48 are dead. You did not waste time driving to see them. You did not call the agent. You did not send an offer that would have been rejected anyway.
Why This Works in 2026
Interest rates are not dropping to
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