I recommend you read this article on OOS investing.

Here is another good article. 

Here is an article I found and what scared me the most is the $1,500 fine per text. 

I recommend you read this article on OOS investing.

Follow up question:  I see a lot of articles mention that "the property is located in a B- neighborhood" what does the letter grade of different neighborhoods mean? 

This blog post uploaded today explains: How Californians Can Build 2 Duplexes on One Lot in 2022Experts claim that 410,000 California lots are “market feasible” for a split and development.

The AZ 2022 projections article was a great read, thanks again for sharing. 

I have read to attend local real estate events, classes and the blog post here on Bigger Pockets.

Was just reading the following article: https://www.biggerpockets.com/... which was a great read through.

Next up, Domino's was fined $9,700,000 for the same kind of activities.Here's an article that suggests fines may be (and may already have been) increased to $26,000 per call: https://www.natlawreview.com/a...Bottom line?