I really want to find a reliable and reputable PM to work with during this process. 

So there is huge risk expecting the 15 year limit to be reality.  

You likely won't be able to pull all of your money out with the market's current conditions, but with Columbus's appreciation, your return on cash invested will be huge! 

It sounds like you’re in a great position to get started—$100k saved up and a clear goal are huge advantages.

That's huge.

Wholesalers drag out the process if you go with a bad one. they are not buying the house. they only want your signature.

Smart investors first focus on finding quality properties—such as those in thriving areas of Brooklyn or potential neighborhoods around Manhattan—and then reverse engineer the process by improving management, optimizing rental structures, or enhancing facilities to make it worthwhile.

I have not had an issue with the claw back scenario and if I did I would IMMEDIATELY begin the eviction process which I would then pursue relentlessly.But alas, some tenants use this trick after they have vacated your property. 

Quote from @Andres Lasaga: I am in the process of selling a property to the tenant I have been renting the house for 4 years.I want to outsource the promissory note collections and reportsIt would be only ONE property, for now, any recommendation of a company that can manage the collections and reporting?

I began the renovation process by enlisting the help of a relative and some of his friends to gut the interior.