"healthier homemade meal (if planned)" (missing period at end of sentence)
"how much do you spend on" should be "how much you spend"
"when I’m not drinking (at all) alcohol my performance" should be "when I’m not drinking alcohol (at all) my performance" or "at all" could be changed to "any"
"do I waste on eg having drinks" should be "do I waste on, e.g., having drinks"
"and buy a bread" should be "and buy a loaf of bread"
"which I was eating while on the run. Turns out I’ve spent a lot of money on them" should be use a semicolon, like so: "while on the run; turns out..."
"In a blink f an eye" - of
"on the final straight" - final stretch
"on one category, It’ll point this" - "it'll" should not be capitalized
"you spend to much on for example entertainment, tighten" should be "too much on, for example, entertainment..."
"not rocket since" - rocket science
I really like your fundamental idea of choosing just a few simple categories you care about. Good tip.
