weirdlyamusing said: The purpose of a budget is to set aside earned monies for something you want or need. For example I budget money so I can pay my bills, and hopefully have some left over for a book I really want, or a gift for my pets.

Okay, that makes sense. Now I know the purpose, hooray!

Now, How do you follow a budget and stuff? The thing that really trips me up is variable costs. I don’t know how much groceries are going to cost until I get to the store and start putting things into the cart. So how do you make that all work out properly? I understand fixed expenses and I finally figured out how to make sure bills get paid on time each month, but things like gas and groceries go up and down every month.