The USPS does not sell stamps below face value. If you see a roll of 100 Forever Stamps for 20% to 50% off, it is almost certainly a scam .
Buying Stamps on Amazon: What You Need to Know If you’re out of stamps but can’t make it to the post office, is a convenient way to get them delivered to your door. However, there are a few important things to watch out for to ensure you’re getting the real deal and the best price. Can You Buy Real Stamps on Amazon?
Unlike the local post office, which sells stamps at a fixed face value, Amazon sellers often charge to cover platform fees and convenience.