Cash flow represents an objective sum of money that is left over once an investor has accounted for all of their capital expenditures. This translates to a 6. Advertiser Disclosure We do receive compensation from some partners whose offers appear here. What is cash-on-cash return and how do you calculate it? Here’s what you can expect in cash flow from a rental. Subtract All Of The Expenses: Next, take the rental income and subtract any expenses you expect to incur. Compensation may impact where offers appear on our site but our editorial opinions are in no way affected by compensation.