How can I give you advice if you don't tell me what school it is? Can different schools be the same? If you want to have everything in Jida South School, you won't make money. Generally speaking, you can take a typing book and add words, plus charging fees. The shopkeeper bought some magazines when he had enough.

Not making much money. It's quite profitable to open a canteen and food stall in the school.

It's not bad to make lunch.