The 1% rule is a formula used in rental real estate to determine whether a property is likely to have positive cash flow. The rule states the property’s rental rate should be, at a minimum, 1% of the purchase price. So if a property is for sale for $200,000 it should produce a rental income of $2,000 a month or more.Click to see full answer. In respect to this, how do you calculate cash flow on investment property?These are the basic operational items that go into cash flow calculation. Rent income less vacancy loss less payments less expenses equals your cash flow: $43,200 (gross rental income) less $2,592 (vacancy factor) less $23,316 (mortgage, taxes, and insurance) less $2,100 (repairs and costs) equals $15,192.Also Know, how do you increase cash flow in a rental property? Here are six suggestions to increase the cashflow on a rental property: Increasing Rents. It might seem obvious but a lot of times tenants haven’t had an increase in their rent in quite awhile. Add Income from Other Sources. Pay Less for the Property. Reduce Other Expenses. Put Up a Larger Down Payment. Allow Pets. In this regard, how much profit should you make from a rental property? You need to charge high enough rent to cover your expenses and take home a profit. With mortgage payments to contend with and a tough competition, you may only be able to profit $200 to $400 per month on a property. That’s $4,800 a year, a far cry from the $50,000 we’re talking about for earning a living.Is cash flow from rental property taxes?Your cash flow is the difference between the rental income you receive and your total monthly cash outflows, such as mortgage payment, taxes, insurance, and repairs. Some properties show only a small positive cash flow or even a negative cash flow.