I guess you'd still live with your parents(or parent) right? Well what I do to get money is I do things around the house(dishes, firewood, vaccuum etc). And each job has a set ammount of money that goes with it. Through the week I write down what jobs I do and then add up the money at the end of the week(which my mum then gives to me).
And my mum has her own small business so every now and then I make a business card or something for her. I usually get about $30-$40 for those

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