If separate entrances are not already in place, consider installing them, as well as soundproofing, to reduce noise between units and increase tenant comfort.

Third , I have heard you are supposed to have a "licensed mobile home installer" attach the home to the ground, but I have called some of them in the big cities and these people won't  come to a small town 75 miles from Indianapolis.

Windows alone takes sometimes 2 weeks to come in before they can be installed. 

There are several apps that will report credit lines to your credit report without getting you into debt.One is called "Self": You sign up for $25 a month for 24 months, it reports to your credit as an installment loan... the kicker is that after the 24 months they give you back most of the money that you paid in.

I can do dry wall patches and install sink faucets as well

It appears to be an easy installation process as well.

The next stage would be to install sheetrock on walls and ceiling, waterproof bathroom walls and install tiles, finished flooring, new kitchen cabinets and appliance, install bathroom fixtures.The problem is time. 

The designated responsible party must be available on-site to address any issues as soon as one (1) hour following notification from an occupant, a city official, a code compliance officer, or law enforcement officer.Prior to the city issuing a certificate of registration, the vacation rental is subject to inspection to ensure compliance with: (1) minimum safety requirements under section 34.5-12; (2) minimum information requirements under section 34.5-13; and (3) to confirm compliance with Chapter 34.5 generally as well as any other applicable provisions of the Sarasota City Code and Zoning Code.The minimum safety requirements are set forth in section 34.5-12 and include compliance with the Residential Swimming Pool Safety Act, operation of smoke and carbon monoxide detection systems, and installation of fire extinguishers.The minimum informational requirements are set forth in section 34.5-13 and include, among other things, providing: (1) the location of the nearest hospital; (2) the non-emergency police telephone number; (3) the dates and approximate times of trash and recycling pick up; (4) the street address of the vacation rental; (5) the name and phone number of the designated responsible party or parties; and (6) emergency evacuation instructions.

Purchase price: $Cash invested: $Completely renovated SFH, 3/2, built in 1999, 1214 sq ft with a new roof installed in April 2024, state-of-the-art smart LG appliances, and luxury vinyl plank flooring throughout.

Example:  if a ceiling light needed to be moved and/or installed, I'd highlight where it should go (with dimensions noted) and give that to the electrician.