Also, tenants are not allowed to make alterations or changes to the unit if those changes are permanently affixed in any way, which included paint, window coverings, fixtures, floor coverings, etc. 

This was just a quick run through and ignores some very important expense considerations (maintenance, vacancy, capital expenditures like new water heater every 10 years, etc) and you would need to build up reserves from your subsidized living cost in order to cover these expenses.Hope this helps provide some real life context of how you can get started locally without a lot of risk or alteration to your current lifestyle in America's Finest City- Good Luck!

Don’t get too crazy here though, volume of properties may be limited, might not be able to find duplexes, remodel costs, holding costs, and difficulty finding funding can alter these numbers.

If you have some piece of insight that could alter the trajectory of my life, I welcome it.  

But if you are just replacing an existing truss, your contractor may be able to pull a permit and repair/replace an existing structural element as long as you are not altering the original design.You can call for a courtesy meeting/inspection and ask the inspector what it would be required before spending the money with an Architect/Engineer.

Also,  it is required "...unless the accommodation imposes an undue financial or administrative burden on a housing provider or requires a fundamental alteration in the nature of its program."

If the answer to question (1) or (2) is "no," then the FHAct and Section 504 do not require amodification to a provider's "no pets" policy, and the reasonable accommodation request may bedenied.Where the answers to questions (1) and (2) are "yes," the FHAct and Section 504 require thehousing provider to modify or provide an exception to a "no pets" rule or policy to permit aperson with a disability to live with and use an assistance animal(s) in all areas of the premiseswhere persons are normally allowed to go, unless doing so would impose an undue financial andadministrative burden or would fundamentally alter the nature of the housing provider's services."

People have breached the integrity of the circuits by extending, adding, and altering to add new utilization devices whereby overloading the circuits and or causing overheating issues.

In No CA, alter plumbing, electrical outlets etc.Cosmetic, cabinets, add flooring(actually enforce structure stability), counter tops, no permit is required.

I like to setup a goal range of cash flow I am comfortable with and then see what numbers can be altered (reasonably) to make it work.