Purchase the items on the list

Top 8 in Top 13 Things That Can Make You Happier.

You're overspending but there's an easy way to cut back. Before you go shopping, you have to take five minutes to make a detailed list and give yourself a complete set of instructions then when you go to the store just buy only what you've written down, if the item is not on the list, it's not an option. You'll be surprised at how much of a difference this small habit can make.