I manually add receipts from my partner and myself to a CSV file, too. I have a custom R scripts to calculate the monthly contribution. This way we can see who paid more/less each month and needs to componsate.
In the future I want to plot graphs to see how we are affected by inflation over the past years.
I think gnome-console is the new default. At first, I was sceptical and stayed on gnome-terminal, but now gnome-console seems stable, fast and simple to replace it for me.
I have used other terminal emulators with different DEs, though.