Yes, basic maintenance like you describe is entirely possible to do on your own or at any normal mechanic. Body work can be done at normal high-end body shops

Yes, basic maintenance like you describe is entirely possible to do on your own or at any normal mechanic. Body work can be done at normal high-end body shops as well, with the caveat that getting replacement panels from Tesla is expensive and challenging due to their limited production capacity. Source: Friend's Tesla recently needed some body work to repair a dented door.