How to get money on Animal Crossing: Lets go to the City????

Sell your fruit, things from booker when 당신 say you've 로스트 something, plants IF 당신 ARE DESPERATE, shells, 당신 can also dig up fossils - and when he tells 당신 what it is DONT GIVE IT TO HIM, sell it to tom nook. 당신 might even find money in trees!and if 당신 find items in trees 당신 can sell them. hope this helps