Great question and FUNNY suggestions! The people who only do favors for Wilt crack me up! He has totally earned your services!
I tend to do favors for whoever I run into or am closest to. I do my chores first and if I don't meet on of the Favor Four while doing them, I'll just find the closest one to wherever I end up when my chores are complete.
__________________
"Clothes make the man. Naked people have little or no influence on society." 
-- Mark Twain |