1) How to fix a poop chute (septic system).
2) How to reinforce a road after a flood washes it out.
3) How to cut vegetables (the proper way).
4) How to cut grass with a machete.
5) How to stain and varnish furniture.
6) How to be on live TV.
7) How to eat boa.
8) How to make popcorn over the stove.
9) How to be a clown.
10) Lemons can get stains out of clothes.
11) How to sew..ish
Honorable Mentions
How to repel
How to make guacamole, empanadas, among other things.
