describe a item on which you spent more than expected.

I bought a pair of noise-cancelling earphones for listening to music when I'm outside alone because I don't like to focus on other things when I'm alone. At first, I planned to get a cheaper one, but I tried a more expensive pair, and I loved the sound and comfort, even though it cost more [...]

One thing that I spent more money than I expected was my badminton racket. Initially, I only intended to buy one racket and could change it to another one if I wanted, but after a few months of playing badminton, I changed it a lot. There are many types, so I decided to splash out, [...]