The cons - very hard to cash flow off the bat, especially with a low down payment and...

There's plenty of low money no money things you can do like wholesale, FHA financing, 100% financing loans but all of those end up being expensive in the end.

We have seen properties benefit from a study with a purchase price as low as $150,000.

And it is historically low.

Second, general maintenance and repair costs depend on the condition of the house, the age of the house, and who is hired to do the work.  

That includes the mortgage, the insurance, if there is any electricity the landlord is responsible for, if the landlord is responsible for any of the water and sewer, not all of those bills might be every month, some might be quarterly or twice a year like the insurance, and a small percentage set aside each month for vacancies, maintenance, and eventual capital repairs.

It may be worth asking why they say you need 15% if the guidelines allow as low as 5%?

We can dispute the vouchers if they are too low.

(That's $200 saved.)CapX/Maintenance.

Rental properties and flipping houses require a significant amount of time commitment, as they involve managing tenants, maintenance, and renovations.