You don't have to buy something once the bucket is full. The idea is just to have the money allocated so it's ready when you need it. For some things those wil

You don't have to buy something once the bucket is full. The idea is just to have the money allocated so it's ready when you need it. For some things those will be fixed monthly expenses (rent, insurance, mortgage. Others will be variable, like grocery shopping, maybe clothing. And others will be bigger purchases like a computer. It's just another framework or set of tools for budgeting your money out into the future. YNAB (You Need a Budget) has some decent articles on their blog about the concept. Dave Ramsey might be helpful too if you really want to understand the motivation behind this kind of system.