ROCHESTER, N.Y. — Here’s a good question about stamps. Picture this, you’re scrolling through your newsfeed and you see an ad for stamps at a significant discount, a roll of 100 stamps for just $30.

If you see a product being sold online for a big discount, you may wonder if the advertised deal is too good to be true. That was the case for two VERIFY readers who asked the team about discounted ...