There's a federal tax incentive:A taxpayer may claim a credit of 30% of qualified expenditures for a solar system that serves a residence located in the United States that is owned and used as a residence by the taxpayer.The LADWP (Los Angeles Department of Water & Power) also offers an incentive which comes in the form of a subsidy for the electricity you do get from the grid.

I want to make sure I do things correct from the start to avoid cleaning up a mess later on.

We just cleaned our house to be rented and that bleach/water worked wonders.

I put a lot of $$ into bringing the electric, plumbing  up to code.  

I can't speak for all TK providers, but since my model is designed for long term buy and hold, then I am going to over renovate the home with granite in A+ properties, vinyl plank flooring in high traffic areas, brush nickel faucets, oil rubbed bronze fans, brush nickel cabinet knobs/handles, new vanities, new counter tops, address 98% of the items in the buyers inspection report, thicker carpet and carpet pads in the bedrooms, ceramic tile in showers and bathrooms, new supply hoses on all plumbing connections, update electrical systems, fix/install fences, repair outdoor storage, etc.  

I am concerned that at least one of the 2 walls is load bearing and both have electrical outlets in the walls.  

Electric heat and electric stove.

I honestly don't think caulking around the sink, paint patches from holes on the dry wall, oil hinges, cleaning and basic maintenance would cost that much.

Go to Open Houses and look at the homes, and pay attention to the age of the home, construction (old, remodeled, etc.) appliances, lighting (electrical) plumbing fixtures, etc.

I also realized that there's a lot of house flipping work that I actually enjoy doing - I enjoy putting together IKEA cabinets, painting, cleaning, doing landscaping - but I enjoy them when I'll see some fruits for those labors!