ABC Vacuum Warehouse via eBay offers the factory-refurbished Euro-Pro Shark Lift-Away Navigator Upright Bagless Vacuum, model no. NV356-FS, for $99.99 with free shipping. That's $20 under the lowest total price we could find for a refurb elsewhere. It features a detachable canister, 10-amp motor, HEPA filtration, and 25-foot power cord.

A 30-day Euro-Pro warranty is provided.