Dog walkers can make a lot of money, anywhere from $10 to $30 per half hour per dog. Which is why we applaud this master dog walker, spotted in Greenwich Village, because his ingenious integration of bike share and pack-walking is breathtaking.

Think about it: Five dogs, that's like a Benjamin Franklin right there! The bike lane is your dog run:

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AB Moss

Well, we can just hope that one day Citi Bike will have training wheels—and employees who will help dogs get on the bikes: