Your property is roughly 3400 sq ft with 4 full kitchens , 4 full baths, as you mentioned new mechanicals for all units.

The passive investor should look for an attorney who understands SEC regs and the mechanics of the entity under that state's laws. 

However I know nothing about plumbing/mechanical and seeing the back room was daunting.

Setting up an auto payment is a foreign concept to me.

Since H/As are different call that person and ask about EFTs (since they do auto-pay) and what they need.Then tell them about the rent and ask about your options.Keep the caseworker contact info since if tenant goes squirrley, they can issue the death penalty (ie pull their voucher).

Anytime I hear a party in a transaction is requiring a specific title agent issue the policy a red flag goes up.The responsibility of a title insurance agent is generally very different than that of auto agent or homeowner's insurance agent. 

@Alberto M.https://www.levelset.com/mechanics-lien/florida-lien-law-faqs/This might be helpful to them.

I am not aware of any skiptrace program that will auto generate that information without an actual name.

Find a property with good mechanicals & no major defects but really ugly cosmetically (e g bathroom from the 1970s).....those are the best to start with. 

Podcasts are a good screening mechanism and they allow you to get to know the person a bit before you reach out to them.