Not all the vendors push or pull their merchandise or have a motorized vehicle. I don't think this is a light load, by any means. He is selling rice cake with veggies and broth for breakfast for about $1.25 a plate. He is out and about every morning, early, and done before lunchtime.
There are simple accommodation arrangements with the most affordable cost. Big city life requires some compromise. I don’t know how much exactly the rent cost, but my guess is about $15 - $20 per month. We used to take this alley as a shortcut walking to the mall. It is now blocked off, so we have to take the other shortcut.