Garrett-Numa my reasoning is that especially for someone just starting out and in my area there is a very good chance that the money they spend on marketing (assuming minimal marketing budget) will be gone with no deals. 

Goal is to minimize borrowing costs here over the entire portfolio. 

I have concerns when a potential wholesaler indicates they have minimal capital.  

My repairs and cap ex in the next 5-10 years should be minimal. 

I will probably hire out for that work as I have minimal exp with siding and none with stucco but can learn.The AC handler was replaced last year and the condensing unit motor as well.

I want to find a lender that would entertain a lower down payment on a property that should cash flow very well but I want to be out of pocket as minimal as possible. 

I would keep building slowly if it were me keep in mind that selling with an agent would cost you 6% of the sale price, you would also want to do a 1031 exchange to minimize taxes which makes the process more difficult because you will have a time constraint to get everything sold and buy something new. 

What is the best way to find a good quality property manager who will not only do a good job screening tenants but also stay on top of the tenants , minimizing problems?

As far as the deal goes, the only way I would do it would be seller financed, with minimal down, and I refinance out of it at the end of the current lease term.

The questions you're asking should be answerable in a few minutes, for minimal cost.