The other structure would likely need to be 10 feet from the existing structure.In my experience finding fire sprinkler companies for relatively small job is difficult and very expensive.

But you might also consult an appraisal company.

What escrow/title company includes rehab costs in the settlement statement?

You cannot hire a mgmt company for this loophole.

Do property management companies deal with scenarios where they rent by the room?

My thought simple now, I read books and all kind videos and decide to buy in Charleston SC the prices were cheaper and the migration of people and big companies obviously move south east lower taxes and regulations.

There are companies that will call and "harass' the tenant for payment, but they can't take any legal action without a money judgment.You can try small claims, but you have to personally pursue it.

Many title companies have a 1031 exchange division that can coordinate transactions across states. 

My contract date to closing with said company is February 29.

This is not a sound investment to make as it would not cash flow positively (with property management company, reserves for repairs and vacancy, etc.).