: On marketplaces like Amazon or Walmart, check that the seller is highly rated or that the item is "Fulfilled by Amazon" to avoid counterfeit stamps.

: Members of Costco or Sam's Club can often buy rolls of 100 stamps at a slight discount below face value. 2. Print Postage at Home (Instant)

: Authorized retailers like Walmart , Amazon , and Target also sell stamps online.

If you need postage immediately, you can use authorized digital services to print it using your own printer.