As I write this post, I sit on a bus in Baltimore. My fare card was 10 cents short when I boarded. So, I had to pay $5 cash for a $1.60 ride home (the machine d

As I write this post, I sit on a bus in Baltimore. My fare card was 10 cents short when I boarded. So, I had to pay $5 cash for a $1.60 ride home (the machine doesn't give change). This whole transaction took 2 minutes, and the bus was moving, causing me to almost lose my balance. There's got to be a better way. Especially considering I pay 4 digits in taxes every year to the city.