Mowing lawns, I mean, really isn't like something you know off the bat. Especially if your lawn is like my lawn, where its like 4 oval parts sperated, there is a specific way you have to cut it.
I worked at a waterpark when I was 14, and I live in Louisiana...
babysitting is easy. Especially if its like a baby. Most of the time you put it to bed, maybe have to change a few diapers.
bake sale sounds like way too much of a hassle.