So now that you have your budget prepared, how do you make sure you keep your budget? Discipline helps, but what helps more is envelope budgeting. Many truly wealthy people (not just those pretending to be wealthy) only carry as much cash as they need to make the purchases they want. Most of the rest of us forget how much we've spent/owe and end up buying things with money we didn't realize we had already spent or need to spend. Envelopes or "money jars" or whatever tool you use can really help. The following video explains how.