What is something you didn’t realize was expensive until you had to purchase it yourself?

Whether it be clothes, food, non tangibles (e.g. insurance) etc, we all have something we assumed was cheaper until the wallet opened up. I went clothes shopping at a department store I worked at throughout college and picked up an average button up shirt (nothing special) I look over the price tag and think “WHAT THE [CENSORED]?! This is ROBBERY! Kohl’s should just pull a gun out on me and ask for my wallet!!!” as I look at what had to be Egyptian silk that was sewn in by Cleopatra herself. I have a bit of a list, but we’ll start with the simplest of clothing.