Which of the two options will add more value to the property?

Maybe try the EA first to get your foot in the door on the tax side.   

That said, older buildings often require more attention—how much depends on the major systems and whether they've been updated.For example, a few of our smaller multifamily units in Florida were built in the 1980s.

That way you have a roadmap on where to start looking.

I did have to tap in to in a few times for a few dollars here and there, but I focused on paying it off asap. 

🙌 I get your urgency to find active cash buyers, and your questions about BatchLeads and PropStream are spot-on.

However, you may still face local transfer taxes or recording fees, so check with your title company or attorney.If your mortgage is in your personal name, the transfer could violate the due-on-sale clause, though many lenders overlook this for investment properties—get their approval if possible.

1) - get her on a MTM lease!

Quote from @Sherry Wirtz: Short story--selling one house, will have 350K or so to use for construction draws on another house. 

You ARE NOT  allowed to use a deposit for normal wear and tear like scuffs and small marks on paint or floors.