So on average, a pedicure is around $20. $20/10 is $2, so we can say a pedicure costs an average of $2 per toe.
Millipedes can have up to 400 legs. 400×5 toes per leg is 2,000 toes. $2×2,000 is $4,000.
It’s customary to tip around 15%, but we’ve just made this person paint the tiny, tiny, nails of a creepy af bug, so we need to tip big. Of course, this is discretional, but let’s go crazy and do 30%.