he's just jealous

No but this actually happens! In my elementary a school a friend and I sold weird hand-drawn comics to people. And in my cousin's elementary school in California, they've got a system where kids can earn money by doing good work in class, and designated days where they can rent out a table of the class to display goods brought from home and sell them, and the kids have started pooling their resources and sharing tables so they can all sell their stuff. I swear this is true, my aunt told me last week.

In fifth grade our school encouraged us to bring/make stuff and sell it to fellow classmates as an intro to business. I sold a shit ton of hair bows. except we didn't use money we used a point system to get bonus points in class