I used to keep track of my expenses in more detail about 20 years ago when offline (paper slip) card payments was still used. I noticed that there was a 25% ch

I used to keep track of my expenses in more detail about 20 years ago when offline (paper slip) card payments was still used. I noticed that there was a 25% chance of never having to pay a taxi bill as the drivers seemed to be notoriously bad at doing their paper work...