Budgeting for Annual Expenses

Say property tax runs $2,400 a year and car insurance is billed annually at $960. Neither number is a mystery. Both are known months in advance. And both still routinely land as a "surprise" $280 hit to a single month's budget, because nothing was set aside for them in the eleven months before the bill showed up.

The predictability gets wasted

Unlike an actual surprise, an annual bill has a known amount and a known due date, often a year out. Despite that, it usually gets budgeted as if it doesn't exist until it arrives; at that point it competes with rent and groceries for the same month's money, instead of money that was already earmarked for exactly this.

Divide the annual number by twelve

The fix is mechanical. Take the known annual total, divide by twelve, and set that fraction aside every month in a dedicated fund:

By the time each bill is due, the full amount is already sitting there. No single month absorbs the whole cost.

Apply it to every annual renewal, not just the big one

Property tax gets the attention because it's usually the largest line, but the same divide-by-twelve logic works for every once-a-year charge: memberships, some insurance types, annual subscriptions billed yearly instead of monthly. Each one gets its own monthly fraction, tracked separately, so a $10-a-month software license doesn't get buried inside a $200-a-month property tax fund. This is the same mechanism behind a sinking fund, applied specifically to the bills that show up once a year instead of continuously.

MoneyFlow's savings goals handle this directly: set the annual total and the due date, and it shows the monthly amount to set aside automatically.

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