Several real estate folks have said to only put half down, but we hate debt, and can't stand that a few hundred dollars a month would be going to the bank just for the privilege of borrowing their money.

Matthew,As a resident of California, you can still expect to pay the California income tax on the amount of income you receive as a resident.What's being discussed above is a privilege tax.

. ($500 a year in Panama) Plus in Texas I have to register rentals with code enforcement and pay then $55 a year for the privilege.

If you have a lot, some people will see you as privileged "fat cat".

We also received three separate bills from the city- Unit registration fee $900, Business License fee $35, and a Business Privilege tax $120.

Saying "that by having another source of cash that offsets negative CF is like saying the following scenario is also OK:Since you have a fulltime job that pays you enough to have enough extra money, you would be perfectly willing to work a second job...and use your extra money from your first job to pay the employer of your second job for the privilege of working that second job. 

Hey Alexander, I am by no means an expert but a recent project has given me the privilege to have to dig deep into the new ADU laws and the only thing I saw in there about historic districts was more lenient parking requirements. 

Something like...Purchase price = $100kOwner's equity = $50kOffer = seller financed $50k + conventional mortgage for $50kSaying much beyond that is where things get fuzzy for me, especially when considering sub-2 and wrap, and how/if equity percentages privilege one structure over another, all else being equal.Or, as with "pure" seller financing, why would seller financing require 100% equity if the above-bulleted structure is possible? 

I had to pay the $350 for privilege of letting them sell to me for three days.

Renting to lesser privileged people is filling a market need.