Wait hold on, did you actually go from $85 to $105 all at once? Thats a $20 jump thats like a quarter more per hour. I gotta ask were you nervous sending that email out or did you just fire it off like no big deal? Look at @adam186 over here talking about gumballs like that has anything to do with it. But honestly I think you're onto something because people who pay late are always the ones who freak out about price changes. The guy who left was probably looking for an excuse anyway and you just gave him one. I bet your regulars figured you were undercharging the whole time and were just waiting for you to realize it.

@blake_kelly19 has a point but unlimited tweaks can build trust long term.

Ugh, that mileage thing stings, I only figured it out last year too.

Used to be one of those people who rolled their eyes at light bulb talk, like how much difference could it really make? Then my office switched to those cooler bulbs and my afternoon grumpiness went way down. My eyes feel less tired after staring at a screen all day too. Maybe it's just me but I actually look forward to being in that room now instead of wanting to leave by 2pm.

My neighbor did the same thing with a used car. He was so proud of the low monthly payment until the transmission went out three months later. It seems like people only look at the first number and forget about everything that comes after.