This will prevent anyone from changing their mind.

Your mileage may vary but doesn’t seem like enough gain to bother with a 1031 if you don’t have one in mind already. 

His sister called me and informed me that they changed their mind on paying that she was putting her brother in a home & we could have the house. 

I am and would also be open to building a business partnership with like minded individuals as well.

Keep in mind that BP is a real estate forum, so most people will tell you to go all in with real estate.

This is a subscription though, and I don't mind paying, but would you use Rentometer as a quick (and in the ball park) estimate for rental income? 

be mindful in a C- / D neighborhood, that fancy gadgets and gizmos may draw the attention of the neighborhood miscreants because they know when a board-up is being worked on that new items are being added inside...sounds like a great security system is needed and make a friend with a nosey neighbor, leave your card with contact info on it to keep you in the know of potential shady goings-on with the property.  

Also, I don't think tenants would mind if it does stick out slightly.

Building on Omar's good advice, I would say it is more difficult to succeed in investing without a game plan in mind.

Keep in mind you're a wholesaler not a retailer.