Thanks for sharing, very interesting article.

You can learn how to join here:https://www.biggerpockets.com/blog/prop-management-lead-bund...

Dozens of podcasts & articles explaining the how-to's and the advantages of doing this.

If the dynamic had been as simple as "you need an LLC" I would have gotten one for them, in fact Renovo pre-approved me but did require an LLC prior to closing, in Illinois can be done on line and I think it a 10min form to complete, $150 fee to expedite and I had my Articles of Incorporation the next day. 

I would check out the blog article 17 Questions to Ask an Investor-Friendly Real Estate Agent.After you have your questions ready, I'd recommend using BiggerPockets Agent Finder to match with a local, investor-friendly real estate agent who can help you find, analyze, and close your next deal.

The post is old, but it has several articles links in it about the neighborhood over the last decade.: https://www.biggerpockets.com/forums/517/topics/53...Old North Dayton is a C+ area, working class neighborhood. 

Here are some resources you might read for PA.https://www.macdonaldillig.com/judicial-tax-salehttps://www.taxsaleresources.com/state/pennsylvaniahttps://www.legis.state.pa.us/WU01/LI/LI/US/PDF/1947/0/0542....https://www.indianacountypa.gov/departments/tax-claim/proper...https://www.biggerpockets.com/forums/311/topics/122546-aquir...https://www.vinsko.com/blog/2022/08/tax-sales-sheriff-sales-...https://phillysheriff.com/real-estate/conditions-of-sale-for...https://www.curleyrothman.com/blog/how-do-tax-sales-work-in-...https://www.legis.state.pa.us/WU01/LI/LI/US/PDF/1947/0/0542....Here are some resources you might read for MD.https://www.taxsaleresources.com/blog/expert-interview-with-...

There are a ton of good articles on this site about "House Hacking" and my good friend @Ryan Thomson knows more than anyone I can think of in the space.

Here are some options I found https://www.stessa.com/blog/find-tenants-online/

Let me read your article, I just started looking into Solo 401 so need to get more educated here :)