I’ve seen this guys ads until I probably blocked them.

There's really only a few reasons I can think of:1) She wants to buy your house herself.2) She has some personal beef with you.3) She wants to protect her position of "power" and make sure everyone knows she's in charge.Getting to the bottom of her reason for trying to block your sale would probably be a good first step.

It was only a few blocks from my house.

It was only a few blocks from my house.

If we went the vacation rental route, something near us would have its appeal (we live a few blocks from the beach in a nice little Florida beach community) because we could manage it ourselves much easier.  

@Geordy Rostad she was just lucky it wasnt a block house. 

In regard to items blocking defects (furniture hiding a hole in the wall for instance). 

I also grew up pretty poor in a town run by a major gang (shout out Fresno, California), so I have a strong functioning understanding of "rough" sides of town -- I know when a street is run by a gang, or when it's just a bunch of poor but wholesome families trying to get through their day, and how that can change from block to block.

It’s 2 blocks from city hall and the police station. 

If that is not the description, then you probably have a D area (where there's a boarded up building in every block or every other block).