He'll be your supervisor in two weeks. Write that down.
Only $3.99? That's cheap from what I remember paying as a kid. And....those cards are still around?
Heck I remember when a Deck of Magic cards were 7.50 and boosters were 2.50
I gave two kids the boot once for doing just this. Who knew refusing service and setting our own prices are part of a package deal with running your own business?