Usually, when you lock someone into a mid- or long-term contract, you offer them some sort of discount. And if you don’t, that’s probably not something you want to tout with a big outdoor sidewalk ad.

But no one told that to the muscle-heads at the Planet Fitness gym in Cambridge, MA, which offers a great deal of $10/month and a not-so-great deal of $199 for 18 months. One would think that the town that plays host to Harvard and MIT would be a little better at math.

“I’ll take the $10/mo and save $20,” writes Consumerist reader Jeremy, who sent this photo in using the Consumerist Tipster app for iPhone.

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