onActivate > player > addMoney > -#
onActivate > namedBrick > spawnProjectile > (#) Rocket Gravity (X Y Z)
onActivate > client > centerPrint > <font:impact:20><shadow:4:4><shadowcolor:000000>Self Delete booth on!
That'll take # amount of money away, while spawn a rocket at the (#) velocity in the (XYZ) direction (Try and aim for the player), and tell the player (client) they just used a Self Delete booth, using a fancy font.
But that isn't really hard.