Because I won't sell you a sticker for 50 cents?
Are you literally fucking retarded?
Say you send me $0.50 via paypal. After the fees I only get $0.45.
Then I have to ship you the sticker. Now I could be an asshole and fold the sticker because it's too big to fit in a standard envelope, but I hate it when people do that, so I would buy a bigger envelope. That would be about a buck. So I would already be losing 50 cents.
Then I would ship it, and since it's a bigger than a standard envelope it would cost more. Probably another dollar.
Therefore I would LOSE approximately $1.50 sending you a sticker.
And if wanting to make a small profit makes me a Jew, then so be it.