Via Work That Matters we found Travis Boyles Craigslist ad: I DO ANYTHING (30307). He starts out in the low digits, and along the way, one learns the value of good copywriting.
Things I Will Do For $5:
Stare at you for 5 minutes
Give a hug to the person of your choosing
Call you on the phone and seem genuinely interested for 10 minutes
Draw your face on a balloon
Sing Barenaked Ladies' "One Week" from memory to the best of my ability
6 minutes of copywriting