Do you usually have shelf brackets, the adjustable metal kind with strips on the wall, as well as the shelves themselves (rubber-coated) to put on top?

Go to store and check in

The inventory is constantly changing because it is all donation dependent. If someone donated some, they'll have them. You just have to have in mind things you are looking for. Sometimes, you may go in looking for a flabberblaster and return home with a reesamatits instead because you saw it there and although it wasn't exactly what you were looking for, it will work for your need. And it cost you a whole lot less than if you bought it new.

Unfortunately no one ever knows because they get different stuff all the time