This is in FL and the lease says "We will not be liable for any damages, loss, or injury to persons or property occurring within your dwelling or upon the premises.

In 4 months….Honestly, best case scenario is you are turning your money instantly and you will then end up making 30k/year.

I can confidently say that these "master classes" and courses claiming to grant you instant success are mostly deceptive.

Instant equity gains after the build is complete, easy to manage, high demands. 

You're literally forcing instant gratification when you're at the 20 yard line.

Don't forget, lenders require you to dwell in the property for 6 months-1 yr minimum.

You’re not getting the instant equity as you would with fixer uppers with rehabs.

The properties I have come with instant Cash-Flow opportunity.

Check out building an ADU(accessory dwelling unit). 

This determines instantly if a lender will touch it.Another factor: STR financing is getting harder to come by (at least in the DSCR space). 25% of the industry used to lend on STR's, now it's less than 10%.And it being a condo, expect anywhere from 15-25 bps added to the rate.