-Concern for the amount of people is because there were heavy appliances that needed to be moved.

In 3-4 years, you will not have a lot of equity in the home, so I'm not sure you'd want to refinance (if you plan on trying that, talk the bank because ending your mortgage before the term is up (ie 1 yr, 2 yr) comes with a heavy interest penalty (basically you have to pay out all of the interest remaining for the rest of that term).As for renting vs investing elsewhere-run the numbers as to what your payments would be if you bought a house including insurance and property taxes and repairs vs renting. 

The idea behind this isn't novel of course, but a way to circumvent the endless and crowded sea of opinions and narrative shaping charlatans that make their daily bread by deluding the curious minds of some vague one-size-fits-all approach... but oak trees don't grow over night. 

Don't expect to be a millionaire overnight. 

You all are likely far more accustomed to running accurate numbers on appts so I am giving your opinions heavy weight in my decision but also trying to vet the specifics of this property.  

SBA loans feature favorable terms, such as low down payments and longer repayment periods, and are partially guaranteed by the SBA, reducing the lender's risk.SBA 504 Loans: Another SBA program, the 504 loan program, provides financing for the purchase, construction, or renovation of owner-occupied commercial real estate or heavy equipment.

I think that while what you want to spend all-in on this project is somewhat possible, you will end up with a very management heavy property at the end and shouldn’t expect the best tenant pool.

A friend owned self-storage properties in K-ville and he said to me “no kitchens, no baths and no overnight tenants”.

It’s a heavy tourism area with year round demand and tight restrictions on STRs that keep room rates high.  

I’m top heavy with tech (NVDA, AMZN, META and AAPL).