For collections in Southern California, try Sutton Law Center or California Judgment Enforcement.

Near the University of Houston and Texas Southern University, these areas offer rental properties and investment opportunities.Good Luck!

This property was sourced through Ann Mesa’s extensive network in Southern California.

I sell land as an agent, I've been a land broker for 15 years, focused on Southern California, FYI.

Understand the NJ markets, such as Northern NJ, Central/Southern NJ, and Jersey Shore, and focus on building relationships with those active in your desired areas.Good luck!

Adding a single ADU in southern CA is typically a poor investment.  

Quote from @Jordan D'Silva: I like the north as much as anyone, but you can find a lot more buying opportunties in the southern part of DFW, with upside still available.

I do fortunately have a few connections to a couple small towns across the US (southern OH, MN, etc.) so at least in those markets, I have a bit of an understanding on what areas to stay away from.

Have a few doors in southern AB, but always looking for a few new deals.

And I think I've ruled out my original option #1, which was to sink all the proceeds from sale of my current house into next primary residence in Southern California.