SaveOnCrafts : This online craft store is a good one to check for inexpensive glass jars, baskets, and storage tins when you want to buy in bulk. Shown: Mason Jars with Metal Lids, $1.50 each or $18 for a case of twelve.
Specialty Bottle : Another online source for bottles in bulk, they carry everything from spice jars to gallon jugs. Shown: Gallon/Half Gallon Jars, starting at $2.17. (Orders must be placed in cases of four, eight, twelve, etc.)
Sur La Table : In addition to lines by OXO and other brands listed here, Sur La Table carries these Kinetic
Glass-Lock Storage Containers ($6.36 – $11.96), made from tempered glass with a plastic lid. The green silicone strip creates an air-tight seal when lids are locked in place.
Organize.com : Like the Container Store, this online resource has a good selection of expandable cabinet shelves, stacking storage, and undershelf baskets, as well as pull-out organizers for low cabinets. Shown: Double Shelf Organizer, $15.
Metro Shelving : Another freestanding solution, stainless steel Metro shelving is sturdy and available through a bunch of retailers, including 125 West, the Container Store, and Sears. Shown: Metro Commercial Pantry Shelves at the Container Store, $498.95.