Stop focusing on whatever it is with this 96 unit and start out with multiple places if interest THAT are feasible going by your profile.

Here in South, you pretty much need central AC anyway these days, so once the ductwork is there, switching to central heat is a no brainer.Edit:  just noticed that you ARE in NC - I would replace them then, unless you are in a D area where window AC units are feasible

granted it’s not surprising that most people on BP think owning a house is better than renting but just realize it’s not always feasible or the best option.  

My goal is to invest in enough rental properties through tax auctions that I can feasibly quit my job in 5-10 years, well before the standard retirement age. 

Make it feasible when you truly believe in your goal.

Also, what rate of return do you think is feasible for mutual funds/stocks/etf's?

If he has additional information that would allow him to make 45k while not pursuing college (for example, in real estate), he should thoroughly vet that option and give himself a well defined and clear case that can feasibly create that income flow. 

So I began researching wholesaling, and well, this route seemed to be the most feasible with the least amount of risk and biggest turnout for my personal situation.

How is a property manager feasible on a 2 -4 unit ?

I have a feasible retirement plan that doesn't involve Alpo, I know where my money's going when I'm dead, I have years of runway set aside in case something happens to us.