The car will need tires. The insurance bill will renew. December will arrive. A sinking fund is how you stop treating expenses you already know are coming as emergencies.
A Texas Instruments manager invented zero-based budgeting in 1969 to stop corporate departments from spending on autopilot. The same discipline, applied to a household, does the same job.
A raise rarely shows up in your savings account the way you expect it to. Here’s why lifestyle creep eats it first, and how to stop it before it becomes a habit.