
The average price of a Fisherman's Wharf caricature is $3.00.  This was the only sketch that cost me $4.00 ("$4.00 a head" in sketchguy talk).  The old man who drew it didn't seem to have any customers (perhaps due to his inflated price).  In fact, he seemed startled when I asked to be sketched.
 
"Can you draw me on a pogo stick, please?"
 
"Sure."  No questions asked.
 
"Can you also have me saying the words 'I'm So Bad!'?"
 
Again, no questions asked.
INTERPRETATION:
Looking stupid will cost you.