My friend is staying over for a few weeks and constantly needs rides?

my friend just lost his house to foreclosure and hes going to be staying at my house for a few weeks.His parents are trying to find a place for them to go.btw him and i are 20 and 19.My dad is mad but letting stay.His family's car isn't working and he always needs a ride places.i Dint want to turn into a taxi he expects me to take him to work everyday and pick him up and im starting to think im in over my head.I just offered him my couch to sleep on.he seems to get mad at me when i tell him i cant take him places. i dont know what to do or how to tell i dont want to take him everywhere.does anyone have any experiencee with this?