Why is it important to have a budget?

Why is it important to have a budget? Well, personally i think that if you have a budget you can spend less on stuff you really don't need on the stuff you really need. Like if you spend more than your suppose to then you might be short on cash for when you need to pay your bills. Having a budget may save you from a lot of financial disasters. Having a budget can save you thousands of dollars just go to waste. That's why i think that you should have a budget. Having a budget may also help you control your money. Like spending on things you really need.