Microtransactions.
Unnecessary jewelry and diamonds. Especially if the only purpose is to make you look richer than you are.
Bath bombs. They are so expensive and you just use them up so fast….
Gift cards that cost the same amount as they are worth in the shop they are for. You are taking money and devaluing it by making it unusable almost anywhere else.
MLM products. Cheap make up does the exact same thing that over the top Mary Kay does.