A guy with short hair should not have to pay more than $20 for a basic haircut, inclusive of tip. If you can't find someone that does it for less than that in your area, invest about $100 in professional grade clippers and cut your own hair. It's easier than it sounds and you will get better at it over time.

Learn to make your own coffee. You shouldn't have to pay more than a couple of bucks for coffee with perhaps some milk in it. An espresso machine and a grinder will quickly pay for themselves.

While you are at it, cancel all those streaming subscriptions, and stream for free in the high seas or YT ad-free with uBlock.

The above "tips" will save your thousands of dollars each year, and most likely also save you time. There are also things like DIY car maintenance that can be fun to learn and save you a lot of money, but you need space (a house) and some tools to get started.