Section 10131.1(b)(1)(C) of the CA business and professions code says you need a license when:""The making of eight or more loans in a calendar year from the person's own funds to the public when those loans are held or resold and are secured directly or collaterally by a lien on residential real property consisting of a single dwelling unit in a condominium or cooperative or on any parcel containing only residential buildings if the total number of units on the parcel is four or less. ..."

Also fire safety or better: compliance with building code is a major obstacle.

Then I add the specifics for the property e.g for the recent one I added the lead paint disclosure, pamphlet, I added that it is a historic house so many of the historic features do not meet current code e.g. the banister height is lower than now required, pet addendum to identify the fish, dragon and one dog, etc. 

Lighting design and interfacing is one of my specialties, and I have a licensed electrician colleague who gives me a great price on certified installation (required by code).

A dining car with a selection of hot and cold foods, beverages, whatever.I spent almost the whole time at a table with my lap top with plenty of room and about 2" of excess space on either side of the booth, just tapping away.

Current codes require a certain thermal resistance that is not provided by many homes built several decades ago.

If they're hoarders, they'll have to make sure that it's not cluttered, as code enforcement would otherwise create a problem for you.

When I have to change tenants I can easily delete the old tenants code and put in a new one.I thought this was a great idea and just wanted others opinion why this would not be a good idea or why you are not using this method.

Every inquiry on a credit report is coded.

The more difficult stuff is zip-code specific, but I think city-search is a good resource (if I'm remembering correctly).