Heading to your local flea market this weekend? Selling at your local market this weekend? Here are 5 things NOT to say to a vintage seller f you are standing in their booth. For sellers, here are 5 ways to react ! 1. That’s Hilarious I hear this a lot, I say it a lot. There IS a lot of hilarious vintage. It can bring you back to a time you remember. Or, it’s so dated it’s just damn funny.