I agree 100% on this. If a Dollar General opens a store in your area, it's over. Crime is already going up, the Walmart three towns over is a dirty, filthy disaster, all the strip malls are either empty or full of liquor and tattoo stores, and local tax revenues are gone.
I've been to county planning meeting opposing these places. I'm probably known at "that guy" whenever I show up. I've asked county commissioners if there are any studies that giving retail establishments tax abatements increases revenue and job growth... only to be told don't worry.
If there is a Dollar General within two miles of a house you want to buy? Don't.