/u/PibbleLawyer on 10 trips a week, 22 miles a day (not including driving to and from their domicile) = 110+ miles for $100. Also, apparently you have to be a multiple of a specific gender.

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Yeah, it could be either. It could be: 1) Eleven miles there and back; or 2) Eleven miles there (to the workplace) and back (the same eleven miles, but in reverse).