Planning for a big family bill? Keep separate savings pots for the cost and...

https://blogfreely.net/neasalnfbo/what-is-a-sinking-fund-and-how-is-it-different-from-an-emergency-fund

Planning for a big family bill? Keep separate savings pots for the cost and your emergency buffer. Stress-test your budget with an awkward month, such as a car repair or reduced pay, so you know what you can afford before committing.