Cash Flow Evaluator (CFE) tutorial video for the Apartment Building Cash Flow System (ABCFS) through www.apartmentbuildingcashflow.com or www.apartmentriches.com. Learn how to analyze commercial investment property cash flows through a simple Excel spreadsheet before you consider purchasing any investment property. Apartment building real estate expert Monica Main will guide you through the process of analyzing your potential property deal using both LoopNet and the CFE Excel spreadsheet to show you how to derive an annual and monthly cash flow.