There is an abnormally low amount of new construction occurring on the coast in comparison to the demand and the existing inventory can be quite dated, especially for those coming from areas like California.

The good news about the saturation is a lot of investors bought in the height of covid, with abnormally high performance numbers.

When developing affordable housing in California (more specifically Los Angeles), how complicated is it to raise capital using subsidies?Is it common for developers to use subsidies to cover 100% of the construction c...

If a Designer or Contractor is proposing to remove a wall and does not think to check the structural integrity of said wall, then they are no one you should be dealing with.

Should it be a percentage of net profits, a fixed fee, or another structure?

It might depend on what state the assets are in, and what state the entity structures in.

The structure will depend on the down payment, quality of borrower, terms of note, your cash out of the note sale needs, and other factors. 

Quote from @Christian Solis: What business entity should I should I structure my fix and flip business and what are some tips I should should keep in mind so me and my partner are protected ?  

Is there another way I can structure the deal?

The guarantee of getting paid and a high hourly rate would be what would entice them to use the hourly rate structure over a commission structure.