Numbers behind the deal / Underperforming rentals
Can better operations make this rental work?
Your client has a single-family rental or small multifamily property with vacancy, deferred work, or rents below nearby leases. There may be an opportunity, but projected rent alone cannot prove it.
The economic test
Compare income, costs, and cash flow.
Reconcile current leases with collected rent and actual expenses. Build a supportable improved scenario, then subtract capital reserves and debt service separately. Net operating income describes the property before financing; it is not the cash the buyer keeps.
Support the exit or income
Account for the costs and capital
Test what changes the answer
A worked example
A hypothetical duplex, per month
Hypothetical example • USD • Every figure is an assumption, not a market quote.
Current performance
- Scheduled monthly rent
- $2,400
- Vacancy allowance
- -$120
- Operating expenses
- -$900
- Net operating income
- $1,380
- Capital reserve
- -$150
- Debt service
- -$1,100
- Monthly cash flow before taxes
- $130
Two units; $1,200 each currently, $1,400 improved, and $1,300 downside.
5% current and improved versus 10% downside. Replace with a supported vacancy assumption.
Taxes, insurance, owner utilities, management, and routine repairs. No loan or capital reserve included.
Property income before financing and capital reserve.
Cash set aside for future major replacements, separate from routine repairs.
An assumed monthly loan payment, not a lender quote.
After vacancy, operating expenses, capital reserve, and debt service.
After improvements
- Scheduled monthly rent
- $2,800
- Vacancy allowance
- -$140
- Operating expenses
- -$1,000
- Net operating income
- $1,660
- Capital reserve
- -$150
- Debt service
- -$1,100
- Monthly cash flow before taxes
- $410
Two units; $1,200 each currently, $1,400 improved, and $1,300 downside.
5% current and improved versus 10% downside. Replace with a supported vacancy assumption.
Taxes, insurance, owner utilities, management, and routine repairs. No loan or capital reserve included.
Property income before financing and capital reserve.
Cash set aside for future major replacements, separate from routine repairs.
An assumed monthly loan payment, not a lender quote.
After vacancy, operating expenses, capital reserve, and debt service.
Weaker rent and occupancy
- Scheduled monthly rent
- $2,600
- Vacancy allowance
- -$260
- Operating expenses
- -$1,100
- Net operating income
- $1,240
- Capital reserve
- -$200
- Debt service
- -$1,100
- Monthly cash flow before taxes
- -$60
Two units; $1,200 each currently, $1,400 improved, and $1,300 downside.
5% current and improved versus 10% downside. Replace with a supported vacancy assumption.
Taxes, insurance, owner utilities, management, and routine repairs. No loan or capital reserve included.
Property income before financing and capital reserve.
Cash set aside for future major replacements, separate from routine repairs.
An assumed monthly loan payment, not a lender quote.
After vacancy, operating expenses, capital reserve, and debt service.
Current cash flow is $130 a month. The improved case reaches $410, but the downside loses $60. Spending $24,000 to reach the improved scenario adds $280 a month under these assumptions. Check the full purchase basis, improvement timeline, cash invested, financing, and return requirements before treating that increase as a good investment.
Before you rely on the numbers
What can change the answer?
Current performance is the starting point
Current rent is $2,400, vacancy allowance $120, operating expenses $900, and operating income $1,380. Less $150 capital reserve and $1,100 debt service leaves $130 per month.
Improvement requires capital and time
The $24,000 improvement budget is upfront cash, not a recurring operating expense. Include renovation vacancy, lease-up, financing costs, and acquisition costs in total cash needed.
A rent projection needs evidence
Use comparable signed leases where available, current lease terms, and a local property manager's assessment. Model tax and insurance costs for the buyer, rather than carrying forward the seller's bill without checking.
Your next useful step
Bring the evidence you already have.
Start with what is available. These records help the review, but they are not prerequisites to making contact.
- Address, asking price, rents, and occupancy
- Listing, rent roll, current leases, and collected-rent records.
- Known expenses and property condition
- Operating statements, tax records, insurance quotes, inspection, and repair scopes.
- Lease terms and improvement opportunities
- Client records and supported rent comparisons. Share only documents you are authorized to share.
These are educational scenarios adapted from Renew’s Deal Analysis 101, Behind the Offer, and property evaluation teaching method. They describe no actual property or closed result. Replace assumptions with property-specific evidence before making a transaction decision.
Start with what you know
Bring us a property.
Bring the current picture even if the records are incomplete. We can identify whether the opportunity rests on price, repairs, operations, financing, or assumptions that do not hold up.
You continue representing your client. We work through you to evaluate the opportunity and agree the transaction roles and compensation before proceeding.
Our initial focus is the Treasure Valley: Boise, Meridian, Eagle, Star, Kuna, Garden City, Nampa, Caldwell, and Middleton.
Other opportunities
Explore another deal type.
Land and infill
Work backward from a realistic land exit to understand yield, development costs, timing, and purchase capacity.
See the worked example02 / NUMBERS BEHIND THE DEALDistressed residential
See how resale value becomes a purchase budget after repairs, financing, holding, selling costs, contingency, and margin.
See the worked example