It is required to have a building permit/inspection and hire licensed professionals for Electrical, Mechanical, Plumbing, and structural engineering for load bearing, gas line work, and septic systems. 

Also, the insurance companies are fleeing Florida so I'm definitely not making as much as I would from selling while things are still good.Talk me off the cliff or push me over please.

With providing some rough numbers, my extended work experience with my company, and my credit to the lender, he informed me that I could potentially qualify for a $250k property with an FHA loan and a conventional down payment assistance loan which would put me with little to no money down out of pocket.

In other words, would a mortgage company have a problem with me using a HELOC towards the down payment? 

if they don't agree, go visit the  auditor, and have your baseline argumentation coming as well. they're very professional overall.sometimes , the best way to understand things is also to understand the exact tax language, word by word.

**Property Management Recommendations:** Could anyone recommend reliable property management companies in the Nashville area?

Introduce yourself & your company, answer questions, and set expectations.

The property is extremely mismanaged and the tenants are quite undesirable. 20 of the units are affordable housing tenants and 5 of them are on a master lease with this company who lets the homeless community use the units.

The only why my company stops is by written instruction to cancel.

You could rent it to a plumbing company to park their vehicles for $1200 a month3.