Things that many business discard without even thinking twice, are items that other companies would pay for. Often, large companies don't have the resources or the time to find an outlet for those unwanted goods. They find it easier and cheaper to just trash them. To the right are some of the many types of goods that can be resold. By no means have I even scratched the surface . . .
Used equipment can be as marketable as new equipment.
Don't underestimate the market for items that you may think are obsolete or not worth bothering with. It often takes time and patience to locate a buyer, but there usually is someone somewhere looking for just the items you're ready to discard.