A drop in the bucket
To sum it up, “a drop in the bucket” refers to a small or insignificant amount or action compared to the larger whole. It highlights the idea that the impact or effect of that small amount is minimal in the grand scheme of things.
Pinch pennies, means to be very frugal and careful with one’s spending. It’s about being mindful of expenses and finding ways to save money. It can be a smart financial strategy, but it’s important to strike a balance between saving and enjoying life.