Now with Google Earth and other apps I can gather enough “feel” for the property to only site visit a property that we are ready to fund2.

As long as the investment allocation of what you purchase is at least as much as your net sale. 

I always thought I would do more of it, but I have only ever been involved in one deal with Subject 2 financing since debt has been so cheap for so long. 

S8 HAP contracts only state that S8 pay $x rent on behalf of the tenant as long as the tenant, home and landlord meet the eligibility requirements.

Ceiling fans do get dusty but it’s take a long time to get in that state and it takes 2-min per fan to clean unless it’s greasy.  

This is not "by the book" advice but we are often in those situations, have to make judgment calls, and litigation is extremely rare.

John Bianchi’s free course, which is about 30 hours long, is super helpful for anyone that’s trying to figure out what property to buy and how to design the property in a way that will allow it to be highly competitive in its market. 

I think it depends on your property as to where you put them, but we are thinking of either using a Ring or something near the front door to just monitor number of guests.

As long as it's not in the Mission Beach area of San Diego, it's easy to get an STR license in the city (a single one, multiples aren't allowed).

For example, we are licensed CA Finance Lenders and only make business-purpose loans.