reporter: bill hansen is taking onhe othernd of thstreet. >> you he arriveat your destination.orter: he's been working as a courier for postmates for three months. he likes the independence and only works at lucrative times of day. it's a second job for him. but today is full of problems. this address is a building site. there is no one here to take the delivery. >> the fee is calculated on distance, so as i just learned on an earlier job today it takes , two hours, it is still 6 bucks. if they don't respond or cancel the order then i have to email , the city manager to get paid. you don't get automatically paid. you have to ask for it. reporter: he never knows what's coming, and he's not allowed to turn down orders. >> even though they have given you a job that you weren't aware that it's that low-paying and time-consuming job, and if you ask for a reassign, they still reserve the right to suspend you from the platform. it's totally set up in their favor and completely not fair. reporter: postmates is a growing company and is already active in 26 u.s. cities with an army of co