If you had unlimited money forever, but could only spend it on one category, which category would you pick?

WaterIsland
You have been given unlimited money forever, but can only use it for one category of spending or one store. Which category/store do you pick? And why?

Examples would include: travel, food, media/streaming services, sports tickets, home improvement projects, rent, clothing, technology, etc.

Answers that include answers meant to generate more money (ex. Investments, cryptocurrency, etc) aren’t allowed. For this example imagine the resell value of whatever you purchase would be zero. Additionally, purchasing gift cards to use at other stores isn’t allowed either. Basically no trying to get clever to cheat the system.
If you had unlimited money forever, but could only spend it on one category, which category would you pick?
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