....magic closets? [Dipper squints at him for a moment, then vanishes. After another minute there's a vroom sound and he comes back holding an extra large leaf blower.]

Wow! That's so cool! I... uh...

[He puts down the leaf blower and comes back to frown at Wirt.]

That's... actually a really good point. If this stuff appears by magic it's logical to assume it might also vanish by magic.

[Especially if it's as easy as just asking for it. If there's no price, nothing that you put in to get anything out... well, how much substance can it actually have?]

But would it really be so bad to go home not wearing a hat?

[I mean, Dipper's not taking off his hat. But his hat doesn't look nearly as dumb.]