Money management
https://www.youtube.com/watch?v=DCcqUaV8TVo
this video talks about once a year pulling out all your transaction history from your bank accounts in a spreadsheet and categorizing / calculating to see where your money goes and does it follow the rules of 20/35/35. and checkering did your net worth increase in the last year and by how much and looking into new possible ways to increase it in the next year by investing