Many calculators screen scrape unsophisticated rates and just multiply across a band of occupancy estimates which can be pretty inaccurate.

Multiply that over multiple properties and multiple years and that is the power of tax deferred growth.I would say the biggest snare is buying wrong with insufficient cash flow or over leveraging so that in down turns with rent rate deterioration you have to sell instead of being able to ride out the cycle.  

The gross rent multipliers are phenomenal and make out well for cash flow.

In Louisville we have a metro ordinance that says the tenants voucher is to be counted as income and you must use the tenants monthly contribution to their rent, and multiply that by 3.

A price of  a rental, as you know, is typically priced by taking the annual gross income and multiplying it by a gross rent multipler ( the nicer the area, the higher the multipler.)

It'd be only a $100-200 savings but multiply by 9 and you've got something pretty significant.

Multiply that by the number of rooms in each unit and add up the total.

The majority of your work as a small scale landlord is in the turnover and turnaround process (think re-prepping the unit, advertising, screening, onboarding the tenant, supervising move ins and move outs; then with short term rentals multiply that by 3 or 4 per year per unit.....!)

But unless you're genuinely kamaaina, your money will divide, not multiply.  

No, those are performance numbers for FMU 5+ Commercial loansGSI = Gross Scheduled Income (annualized)GRM = Gross Rent Multiplier, times the GSI should be the starting asking priceDSCR = Debt Service Coverage Ratio.