I will second this. YouTube can teach you step by step how to cut your own hair. I’ve been doing it for years, and currently have a fancy asymmetrical one side buzzed cut that I do myself. The learning curve is going to result in you looking awkward a couple of times, but the amount of time and money saved over the years is tremendous.
Sign up for a health savings account and USE IT. (United States specific advice.)
It lowers your taxable income. The only caveat is you have to remember to use that money to buy things you were already going to buy anyway. Convenient hack to know what you can and can’t use: Doordash now labels HSA-eligible items at CVS. You don’t have to actually use Doordash to see which items you can buy with your HSA card.
What are your "poor person" money life hacks?
Let’s get a list going. Like with a Target debit card you can get $40 cash back and it takes 1 to 2 days to be withdraw from your checking.