2 points - First, in most states (and SC appears to be one), you can only act as Owner/Builder on your own residence, not investment properties. 

hello allso as the topic say i want to buy a course that teach me how to virtually buy real estate and rent it outi searched and found "The Virtual Investor's Guide to Out of State Rental Property" from investwithace that in 600$but i wanted to ask if there is other options or any other guy that have a course online so i can learn more on investing and buying rental properties, as i dont live in usa and i want to work from abroad and i dont want to visit any of the properties my selfi want to learn the best way to do itso i really appreciate if you guys can guide me herethank you so much

I then check to see if there are any local laws that limit the number of STR rentals in the municipality.

Kudos to you and your team.I have been thinking going out of state and actually look into Detroit.

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My experience is that if you stay in states where they are landlord friendly, squatters aren't a big concern. as an example.

I reside in Santa Rosa, CA and property prices are way too expensive, as such looking in out-of-state areas. 

Or a real estate agent might be able to search past sales and put a filter on for in-law setup or ADU.BUUUT ... 

I’m in the FLL area and could be boots on the ground for out of state investors, could go by and take pictures/videos, visit municipalities, and the like to help with your business. 

It will depend on the laws in your state and municipality.