A budget that survives an irregular income

Most budgeting advice assumes a steady paycheck. If you freelance, work on commission, or run a small business, that assumption breaks the first time a slow month lands on a big bill.

The fix is to stop budgeting from what you earned this week and start budgeting from a buffer. Route income into a holding account. Each month, pay yourself a fixed "salary" from that account into your spending account — an amount you can sustain through a lean stretch, not your best month.

In a strong month, the surplus stays in the buffer and grows it. In a weak month, the buffer covers the gap and your spending plan never notices. Your day-to-day budget becomes boringly predictable, which is the entire goal.

Set the salary too high and you drain the buffer in the first slow quarter. Start conservative; you can always raise it once a few months of data show the floor is real.

It takes a cushion to start — usually a month or two of expenses sitting in the buffer before the system runs smoothly. Building that is slow, but it is the difference between an income that feels chaotic and one that feels like a salary you happen to pay yourself.