Investing is all about compartmentalizing risk. The Rent Roll Triangle assist in compartmentalizing strengths and weaknesses in rental revenue and identifying areas of concern- before you buy. The Rent Roll Triangle calculation represents a type of sensitivity analysis that anyone can use to assess rental property income. Rent Roll Triangle: Points you in the direction of action steps to improve financial operations. Measures rental property operations against maximum financial outputs. Acts as a road map to clear outcomes about where an asset stands in the here and now. Localizes rent income problems allowing operators to address concerns in real-time.