Test it before you buy. Spot the fakes.
No fluff — just the exact, hands-on checks a careful buyer runs before handing over cash for a used item or a "designer" deal. Real tools, real steps, real red flags.
Test a used item
The specific test that reveals whether a used item is healthy or someone else's problem.
20-min check · how to test a used gpu
40-min check · how to test a used gaming pc
25-min check · how to test a used laptop
25-min check · how to test a used macbook
20-min check · how to test a used ps5
20-min check · how to test a used xbox series x
20-min check · how to test a used nintendo switch
25-min check · how to test a used steam deck
25-min check · how to test a used camera
20-min check · how to test a used camera lens
15-min check · how to test a used monitor
15-min check · how to test a used ssd
30-min check · how to test a used ev battery
25-min check · how to test a used ebike battery
30-min check · how to test a used generator
25-min check · how to test a used espresso machine
20-min check · how to test a used solar panel
25-min check · how to test a used treadmill
20-min check · how to test a used electric guitar
25-min check · how to test a used drone
Spot a fake
The real human authenticity checklist for the most-counterfeited goods.
10-min checklist · how to spot a fake pokemon card
12-min checklist · how to spot fake sneakers
15-min checklist · how to spot a fake designer handbag
15-min checklist · how to spot a fake watch
8-min checklist · how to spot fake airpods
8-min checklist · how to spot fake designer sunglasses
8-min checklist · how to spot fake perfume
10-min checklist · how to spot a fake lego set
8-min checklist · how to spot a fake funko pop