For items that are current, or “in demand”, you’ll can end up paying just as much on eBay as if you’d bought it Retail, occasionally more.
If you want things on the inexpensive side, places like Craig’s List are the way to go; private parties unloading the stuff they bought but only used once, often for way less than they paid for it.
Ah! Look at the time!
Going to bid everyone, “Good evening,” and go ‘play’ in traffic.
Later!