I was going to say this is a scam. At about $12 there's no way its a legitimate price.
However, then I saw it was 20mm. Hardly anybody rides tires that narrow these days. Unless it's for the front tire of a time trial bike, and you're a small person, I would not run 20mm tires.
It may be they just can't sell these anymore.
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You could fall off a cliff and die.
You could get lost and die.
You could hit a tree and die.
OR YOU COULD STAY HOME AND FALL OFF THE COUCH AND DIE.