I have some YouTube videos that may help with some of your questions and always happy to have a call to dive a little deeper. 1. which development(s) tends to be the best for ROI/have the best occupancy rates? 

You are ahead of the game. 

It is why it was first on my top 5 of current risks.Feel free to DM me and I'll send you my 10 Tips for Wrap Mortgages along with a video from an attorney that knows this stuff.

Here’s why lease options are a game-changer:🔹 Low Risk, High Leverage – Instead of buying a property outright, you lease it with the option to purchase later.

This gets you in the game with minimal upfront costs.Covering the Smaller Costs (Inspections, Appraisals, Earnest Money, etc.)Even when using other people’s money, you’ll need some cash for earnest money deposits, inspections, and carrying costs.

But not all land is fair game.

I'm thinking about investing into section 8  housing in STL and I'm new to this game.

Every youtube video I find when searching this problem involves someone replacing or moving an electric box that either hasn't been wired yet or is re-wired.

It is not very difficult or complicated to evaluate commercial real estate, there are plenty of good books available that can teach you how, textbooks, online courses, community college classes, even excellent youtube videos etc, and it is actually quite enjoyable in the process to learn.

.: @Eric N.I totally agree, hitting home run is not as easy as watching a Youtube video :))And it's generally true for any endeavor, there is one Lebron James for thousands of wannabes.