A: What are you trying to do? B: I'm working on a budget. A: What kind of budget? B: I need to budget my shopping so that I don't spend all my money. A: What's your budget? B: I can spend about $300 per month. A: Why so little? B: The rest of my money needs to be saved. A: What do you need to save up for? B: I still need to pay my bills. A: You're wise for saving your money. B: I think it's just common sense.