Be aware of environmentally safe ways to dispose of items. Some items should be recycled or handled specially. Find out how to properly dispose of batteries.
Pro Tip 2/3
Permanent action
Understand that 'dispose of' often implies a final, irreversible action regarding items you no longer need. Once you dispose of those files, they're gone for good.
Pro Tip 3/3
Avoid negativity
'Dispose of' can imply negativity; for cherished items, use 'give away' or 'donate' instead. We'll donate these clothes, not just dispose of them.