However the recurring cost for the tenants in uninsulated or under insulated houses is tremendous and many tenants stay one winter then move on to cheaper accommodations. 

And peruse the HOA meeting minutes to see if there are recurring board problems.  

They just purchased and moved and one complaint they made before doing so was the recurring monthly fee for their pet. 

Generally, I like to pay out quarterly when there is recurring cash flow.

It isn't for the property below but you get the idea. http://cl.ly/image/1x242l3G0Z1oItems which are part of cashflow are recurring (taxes, insurance...) as opposed to transaction costs which only happen at the time of sale.It was 1,020,000 purchase with 30% down and 26,570 in fees, but we negotiated a 20k credit back from the seller which offset a lot of cash out of pocket.

And remember to include some for maintenance and recurring capex in your expenses.

Since it seemed like this was a recurring problem, it is going to cost me 4800 dollars to install a drain outside of the garage.

Cash flow requirements will be at minimum $200 per single family residence on a monthly recurring basis.

Let me explain:Sustained positive cash flowSustained positive cash flow means that rent consistently exceeds the total recurring costs.

Do you want passive, recurring income?