[header] How to make a commission only budget [title] Sit down and make a list of your monthly expenditures, from your utilities to your debts. [step] In order to establish a budget with irregular income, you need to know how much you must make in order to continue to survive. Take your monthly expenditures and multiply them by 12 months, and then divide that amount by 52 weeks. 
This calculation gives you your financial obligation on a weekly basis. If you get paid biweekly, multiply the weekly amount by 2, and so on.