Good deal. At the box stores the tanks are all on the same water system...so if you see dead/sick fish in one tank the savings are passed on to everybody. I've been in stores with fish so dead they were cotton balls and the stupid employees would be on a cell phone instead of maintaining the tanks properly. One Petco had shredded baby Os that were rescued and put in another tank because some pinhead placed them with red devils.
I was curious about the tank situation. At my petsmart I was looking at the tanks and noticed pipes going to a back room and thought that was odd while at the 2 family stores each tank is separate.