@John BerjIf cash flow is a top priority, factor in HOA fees (common with new builds) and confirm rent comps to ensure the numbers work.

I’m talking about getting thorough with expense estimates, factoring in property taxes, insurance, and a cushion for maintenance.

Although the percentage of the increase is large, the determinative factors are whether the resulting rent is so great as to shock the conscience of a reasonable person and was effected for the purpose of compelling the tenant to vacate."

Use a 20% vacancy/tenant nonperformance factor in your analysis.

A replacement cost should factor in depreciation.Airbnb knows exactly what they are doing when the scam hosts by not paying 100% for repair costs. 

Those are some factors that will determine your returns.

Short answer: Yes, laundromats can be profitable, but profitability depends on a few factors.

This is bad math, once most people factor in their income tax bracket. 

How do you factor that unknown future expense into the ROI?  

The only thing that I see missing if they are purchasing with hard money debt they may want to factor in 3% - 5% for closing costs (points, fees, title, etc) Thx Zachary!