Nike is one of the biggest brands targeted by counterfeiters and scammers—be extra careful with Nike products from non-official retailers as you could end up with a fake.
If you're in the market for a new pair of Nike Air Jordans, cheaper isn't necessarily better. With so many counterfeiters at large, you might end up buying fakes.
You can find fake Jordan shoes, clothing, and accessories in many marketplaces—some of them are easy to spot just by looking at the logo.
If you're worried about accidentally buying a pair of fake Air Forces, buying some from the Nike store (whether online or at a store) is your best bet.
Buying genuine NFL jerseys can be tricky, especially if you're trying to find a bargain. Chances are, you're going to find a lot of counterfeits.