I agree that spreadsheets are an awesome way to organize life. I've become obsessed with Google Sheets. This year I learned the power of all the plugins. For example, I built a stock tracker that pulls live data from Google Finance (with no programming background). I also built a custom dashboard for my business to track revenue. It worked better than anything else up to $30k / mo in revenue.
Some great resources on this Zapier post -- https://zapier.com/learn/google-sheets/best-google-sheets-ad...