This is all negative thinking! This is not good!
You go into the store and want to buy something, you have your full right to think it is expensive or not, You have full right to buy or not.
The Seller think it is the hater, I will say it is a big mistaken, and it is the Seller's hater to the possible Customer.
By the way, OP is not talking about the hobby, he is commenting his business and ......( omit a lot)