No...there are many reasons why installing it over the carpet will prove to be a nightmare in a relatively short period. 

Long story short, his crew blasted through the job in a few hours and the clearance test failed.

.+  Cash out refi on those after seasoning period.+  Buy more, repeat.

An easier route would be to convince him to go in on the short term rental together in a partnership. 

After a grace period of 1.5 days give another notice and mention legal action or law enforcement5.

Would you share 3 specific things I should do during my "training period" (if it includes a book, which one)?

Strategy 1: buy a duplex, live in one unit (for one year as a "primary residence) and rent out another unit as a short-term / mid-term rental on Airbnb.

Buy and hold used as short term rental property.

Additionally, the Villages are close by and with an aging population it attracts a lot of healthcare field workers.Now, with a lot of rental properties you may run into slightly longer vacancy periods if you have a unit turn at the same time as others, but generally speaking renter demand is solid. 

As the new owner, you’ll want the lease and your landlord insurance policy to take effect as soon as you take title to the property.Temporary Lease Considerations:While short-term leases can work well, leasing to a seller long-term often leads to complications.