I'm in Oviedo and own self-storage.

If you do a search on line ''mini storage investing'' you will find it.I decided not to invest in apartments or ministorages, too much work and headache.

Was out resetting some of our Self Storage units. 

Hello Jim,Evaluating prospective tenants who do not have a traditional credit score can be challenging but still feasible, and I appreciate your fairness. - Some credit bureaus and services (like Experian RentBureau or Esusu Rent) offer alternative credit reports that include rent payment history, utility payments, and other recurring bills.

Tenant’s vehicleor other possessions will occupy the parking space entirely at the risk of the Tenant.Tenant releases Landlord from any loss, damage, claim or injury resulting from anycasualty.”Should the tenant or I have additional insurance for a Garage Storage unit?

STR today, multi family tomorrow, self storage next year.  

I've been looking into self-storage companies to buy and I've gone through articles and videos on how do do it.

My question for those who have experience is: is it feasible to convert a vacant rent stabilized building to a condo?

If you don't have water, sewer, and power at the property already, it will substantially limit how many units you could feasibility build even if 100% of the land was otherwise usable.

They claim to be storing lithium batteries for power production via AI for PG&E but they claim their goal is to be the "Biggest Lithium Battery Storage Facility in the World".