I have a slow leak in one tire and, when the pressure monitor warning lit up again on Saturday, I stopped at a place near where I was that I’ve had previous good repair experience with. They found the leak is unfortunately on the shoulder and therefore not repairable, so I asked for a quote on a replacement. They said US$195 for the one, with installation, balancing, disposal, &c. included in that price.

That sounded a bit high to me, and it’s time I got a set of four anyway, so I checked Costco’s site when I got home. Their price for the same is $131 apiece, also including everything, but with their recurring $70 off a set of four Michelins deal that ended yesterday, it came down to $113 each. They’ll be at the warehouse tomorrow. My savings is the equivalent of five years of Costco membership fees.