Remove and clean or replace all lighting covers and fixtures.

You will need to install outlets, switches, and lighting fixtures as needed,Plumbing: You will almost certainly need to connect all drains to the sewer and bring in water lines.Windows and doors: To provide natural light and ventilation, you will need to add windows and doors to the garage.

I'd be thrilled to chat here, over the phone, or to take you out for a cup of coffee or a lunch here in LA. 

The renovation included: Whole house replumb, new roof, windows, driveway, porch, landscaping, carpet, paint, ceiling fixtures, refinished hardwood floors, remodeled one bathroom and added another.

I am talking a solid clump the size of a cup of coffee.

Labor and material $600 (8bucks a square foot for L&M on 75 sq ft which is a good size bathroom.6) Light fixture and ceiling fan light. $80 labor and 300 for lightbar and ceiling fan light 7) Faucet fixtures and install $200 mateirals. $100 install?

If you are not doing moving walls, pouring concrete, redoing plumbing and electrical systems, rather then a fresh coat of paint, new flooring, new fixtures, landscpaing, roofing and other cosmetic details, either try it yourself or find a mentor who would not mind helping you, even if they charged a fee to train you during the process.

An above-ground swimming pool is not attached and usually not considered a 'permanent fixture/structure'.

Your ALL in cost is only a cup of coffee.I am currently flipping homes in Orange County and teach others how to do so as well.

Here's a Baltimore contractor's bid for $40K (attached) - not including fixtures, cabinets, appliances, lights, fans.