In my article about creating a script to help process my family finances, I mentioned a spreadsheet function called SUMPRODUCT. Let me explain a little more clearly how it works.
I've been looking for a better way to keep track of my family finances, but - being the picky person I am - I've been having trouble finding one that meets all my needs. Obviously, my software developer mindset keeps telling me to make my own solution, but also, when it comes to my money and spending habits, I am even more privacy-obsessed than usual.