I wrote an article that I think you'd find value in that will provide some answers to your question: https://www.straightupchicagoinvestor.com/blog/6-must-knows

Your team can provide valuable insight and help you avoid costly mistakes down the line.5.

We were surprised that Kiavi never thought to call the vendor of their software, or a database technician, to fix this.We provided the requested copy of our LLC articles of organization.

I've found that when I try finding other deal types or other business models or niches, I end up losing a ton of valuable time that goes nowhere. 

Most property management companies are licensed realtors with extensive experience working with investors and providing valuable insights into their local market. 

https://natlawreview.com/article/texas-federal-court-issues-nationwide-injunction-against-enforcement-corporate

I learned a ton of valuable info from my first rental and it gave me even more confidence to turn things up. 

Real estate wealth is built through long term price appreciation, property becomes (usually) more valuable over time, especially if purchased in areas that have either gone through development or redevelopment.  

Here's an article that you may find helpful.

In a 1031 exchange, does the replacement property need to be more valuable than the total sale price of the deal I sold (including other investors), or just my individual portion of the investment?