The "cheap" rolling wire shelves are on sale as of this writing for $55 delivered. I've bought from this vendor. They're local to GA and always come quickly, even though some are drop shipped from the west coast.
If you're used to the "good ones", there are four caveats with these cheap ones.
1) Less capacity. Probably only come in to play for ammo, batteries, and heavy canned goods like home canning, meat, soup, sauce (fine for dry goods like LDS)
2) The runners are "backwards", making it harder to slide things from front to back. I line them if I'm using them for smallish things like cans.
3) They're taller. Once you build it and load it, that's the room it's in. You have to tip them to get through a door.
4) Don't buy black. The coating is too thick and it messes up the "detents" for the mounting clips and they slide down as you try to build.
http://www.ebay.com/itm/Commercial-82-x48-x18-6-Tier-Layer-Shelf-Adjustable-Wire-Metal-Shelving-Rack-76-/311864355012?_trksid=p2349526.m2548.l4275Assembly tip. Build the bottom half, THEN attach the tops of the poles. When you assemble the poles, they're all flopping around unwieldy 6 feet up in the air while you're trying to slide the second and third shelves on. the more shelves you have on the bottom, the more rigid the top poles are when you add them.
