1. Overview spreadsheet that shows my current net worth (fed from my other spreadsheets), a monthly snapshot of spending, income, and assets, and number of months until FIRE based on my trailing 12 month spend and income.
2. Spreadsheet tracking stocks I own + their current value
3. Spreadsheet tracking my crypto transactions (that I run a script against to get the cost basis and current value to plug into spreasheet 1)
4. Lunchmoney.app - website that I use to track and categorize spend. This data fees into my overview spreadsheet.