If you have never done this as a full time business I will throw caution to the wind it is not as easy or as profitable as online forums make it out to be, and if you need money for living this probably is not going to sustain your lifestyle for the first several years. 

STR idea might work as well although that's a matter of execution. 

That is true for maybe 1 percent or less of the wholesalers who try it.When you are new and you ask for a wholesale mentor online, you are going to get every pitch, course, guru sell that there is.

Market exposure- what is the existing density of the rental units, what is the potential existing market, what competition is coming online?

It is hard to get information on performance online. 

Engage in networking, social media, on line forums, associations, etc and showcase your expertise.3.

Also it matters if there is also a lease up fee the PM will collect, look at your agreement. 

It says you do not have to accept online certificates.We require documentation from a current healthcare provider that has knowledge of the disability.

Get taken advantage of once and every company no matter how legit they seem I don't work with them unless I can do my own research to vet them out.

You learn the most about being an agent in the field and by choosing a good first brokerage with good training either in-person or online, depending on your preference.