The next property I bought was a 3 unit rental property held long term and the next personal residence I bought turned into 17 new houses built in my back yard. 

His agreement is with you not them.If the note gets called and you can't personally pay it off, it will likely go to foreclosure and the buyer can sue you for breach of contract.Are lenders calling the note due?

It's not your land and the person who put the restriction is dead. 

Consider various sources such as personal savings, investments, or partnerships.4.

I personally wouldn’t sign a 850k mortgage after putting 100k down to make 7k if I have no problems.

There is a SFH my relative is selling at auction due to personal life circumstances.

To make it feasible, research Oklahoma City and Atlanta markets, partner with locals, evaluate personal finances, start small, and educate yourself on real estate investing.Good luck!

I personally think out-of-state investing is a top choice.

I personally love Columbus in terms of doing value add.

Me personally, I wouldn’t wait.