See your real return before you buy.
Most calculators give you one number. This one shows the tradeoff: borrow more and your cash-on-cash climbs while your monthly cash flow falls. Find the balance that fits how you invest.
Pre-filled with a sample 8-room deal. Change anything.
For MLS / listed deals where you cover the seller’s listing-agent commission. Leave at 0 for off-market.
Type the amount here or drag the slider below — they stay in sync. Private money (the gap loan and any borrowed entry cash) is interest-only at this rate.
Drag the gap loan below and watch the two lines move apart.
How the structure changes everything — run live on the deal above, with no extra private money.
Cash flow plus the equity you build from loan paydown and appreciation — at the gap loan set above.
| Year | Cash flow | Cumulative | Value | Your equity |
|---|
This is one tool from the full system — the same spreadsheets I use to underwrite fix & flips, rentals, Airbnb, and creative-finance deals.
Co-living means renting a single property out by the room instead of leasing the whole house to one tenant. One four- or five-bedroom home becomes four or five separate income streams, with shared kitchen, living, and laundry space. Because you're collecting rent per room, gross income on the same building is usually well above what a standard single-family lease would bring in — which is exactly why investors are shifting capital out of saturated short-term-rental markets and into co-living.
The trade-off is that a co-living property has more moving parts: more leases, more turnover, higher management touch, and zoning and occupancy rules that vary by city and county. That's the reason the math has to be run room by room before you ever make an offer — a deal that looks great at a glance can fall apart once you account for vacancy on a single room, furniture, utilities, and the real cost of your financing.
Every co-living deal I underwrite runs through the same seven inputs. The Co-Living Wealth Visualizer™ above walks you through all of them and returns a verdict instead of a wall of numbers:
Here's a simplified version of the kind of deal the visualizer is built to pressure-test:
| Purchase price | $350,000 |
| Rentable rooms | 6 |
| Rent per room | $850 |
| Gross monthly rent | $5,100 |
| Monthly operating expenses | $1,600 |
| Estimated monthly cash flow | $3,500 |
Numbers are illustrative — plug your own deal into the calculator above to see whether it's a GO, TIGHT, or a walk-away.
Many investors look for cash-on-cash returns in the low double digits, but the right target depends on your financing and how much capital you've left in the deal. Creative-finance structures that reduce money down can push cash-on-cash returns much higher. The point of running the numbers is to compare a specific deal against your own threshold, not a generic benchmark.
It depends entirely on local zoning, occupancy limits, and rental ordinances, which vary by city and county. Some areas welcome rent-by-the-room arrangements; others cap the number of unrelated occupants. Always confirm the rules for your specific address before you buy, and check whether any HOA restrictions apply.
Most co-living deals start to make sense at four bedrooms and up, because you need enough rooms for the per-room income to clearly beat a standard single-family lease. Larger homes — five, six, or more bedrooms — usually produce the strongest spread, as long as local occupancy rules allow it.
Options range from conventional loans to creative structures like subject-to and seller financing, which can dramatically reduce the cash you bring to closing. Because financing has such a large effect on cash flow, the visualizer lets you model the structure directly so you can see how each one changes the outcome.
Co-living tends to produce steadier income with less day-to-day management than short-term rentals, and it's less exposed to local STR regulation and seasonality. Airbnb can earn more in peak periods but carries more volatility. Many investors are moving toward co-living for the consistency.
These tools aren't designed to make every deal look good. They're designed to help you know when to walk away.