So usually would require more than 13%.... but I never hear anyone saving this much.Do most people end up eating into their cash flow to pay for future capex repairs?  

If you are putting together a large list of prospects using whitepages seems like it would eat up all your time.

No matter what, the reason you have no luck is because like many others YOU are the one chasing your leads.Heey HEEY here I am Here I am, look at me look  at me.. please PLEASE OMGAAHH PLEAAASE sell your house to mee [as you are jumping waiving yelling trying to get a deal]...VS..Watch TV, eat crab legs, sleep, poop, bumping uglies, while your leads stream in effortlessly daily, constantly no matter what when or how.Cold calling??

This means that monthly mortgage payments will rise and these numbers will be eating into affordability for the average home owner. 

There may be other costs like heat if they aren't separate & lawn care/plowing which could eat into your cf. 

Again, the two-story problem means that if you have any electrical, plumbing, etc work, the difficulty will be greatly enhanced compared to a single-story home.Another problem you will see is that taxes will eat up a fair portion of your gross rent because you are generally not going to be pulling in much income from the lower-income neighborhoods.

The reason lead-based paint is dangerous is if children eat paint chips.

There's plenty of food for us all to eat, but you do have to work hard/smart to get it.If you have any questions you can always reach me on my cell phone.

If the sanitary conditions in your unit are such that it attracts pests of any kind, and it becomes necessary for us to undergo remediation in the building, you will be held financially responsible for reasonable costs thereof, paid as additional rent.I think you resolve this with the tenant by attempting to negotiate them paying, but if they push back you may just have to eat the cost as tuition since your lease is silent on the issue.

Also what David H said, the fact FEMA will raise prices continuously and eating into cash flow.