I would try to avoid it on your very first deal but plan your exit right with multiple options.

Owning in an LLC will also limit your financing/refinancing options.

According to my research, BRRR could be a good strategy to start with to increase cash reserves and then go for buy and holds...I'm interested in Oxford Houses or other group home options or other ideas I haven't thought of yet!

Nothing wrong with using a broker to work on your behalf (assuming it's a good one) with various lending options, but you should be aware of that by this point in the process.

Also, if the seller is willing owner financing may be another option too. 

They are ghosting you because they are not the end buyer and they are doing their best to flip the contract to someone else during that option period.  

If you wants to find a property in Nashville you should define your investment goals, research the market, choose a location, assess your budget and financing options, choose a particular type of property, become acquainted with local regulations, network with professionals, conduct thorough property search and due diligence, think about one’s long-term investment strategy and assess risks and opportunities.You can locate a good home in Nashville by taking these steps and consulting with knowledgeable local consultants.Good luck!

With that said- there are other programs that can accomplish similar benefits in terms of minimal down payment options, etc. 

In majority of instances seller financing for the seller is a horrible idea and should only be an option when the home doesn’t get conventional financingMany will disagree with above which is fine - it’s similar to winning lottery and taking lump sum over payments.

This is powerful, assuming I assess the rehab costs accurately.