What was your most successful 2024 frugal tip?

Those of you who decided to try something new to be frugal in 2024, what worked for you? How has utilizing this tip/strategy helped you and/or your family save money and live frugally?

I tried the “put it in your cart for 48 hours before buying” strategy, and I found that I didn’t want items nearly as much as I previously had. It significantly curbed my impulse spending.

What worked for you?