Moreover, it allows you to set the terms of the lease agreement according to your preferences, which can help prevent misunderstandings and disputes in the future. 

I know many landlords set a credit score threshold around 580-600 for Section 8 tenants since the program provides a rental guarantee.

For active investing it is also helpful to have some type of advantage that sets you apart from other investors - that could be construction or rehab skills, market knowledge or anything else that gives you an edge.I was an active investor and didn't really have any of those skills.  

With that said I'm curious as to what would be the best business set up (sole, LLC or Corporation).

Unfortunately, while there are other methods to acquire investment properties, the reality is you need cash and reserves to plan and set up your investment portfolio accordingly. 

My LLC in this project is set up as an S-corp.Thank you for listening and any color would be greatly appreciated. 

Those positions are hard to come by but if you can find one and get your green card, you're set! 

However, from my research, it's extremely difficult to find any cities where the properties cash flow other than places like Cleveland which has its own set of drawbacks.

I picked up the BRRRR method book and feeling confident in setting it all up (we did a similar process for our Airbnbs).  

Did you set out to retire with real estate, did you have a goal or an amount you wanted to make?