Can i buy the necessities from a fast fashion app??

Um hi i don't post on Reddit a lot but i really needed help one something, so i don't usually buy from fast fashion apps i prefer going to the independent owned shops and markets or get it second hand from people i know. But recently these past few months i had gotten in a terrible car accident that left unable to walk for a long while i couldn't go out to shop anymore in these places given that these shops and markets were so far away from where i lived and i needed to go with supervision from a family in case something happened because i was in a wheelchair. And unfortunately most of my family are busy with their work so i haven't been able to go outside, and even the rare thrift places are mostly unaccessible for wheelchairs And i am about to start college and i haven't bought the necessary stuff for my first journey. I wasn't able to find an ethical app or website that ships to my country or anything else in there! It's really a bummer i really don't know what to do, my older sister suggested i just get it off shein or etsy or ali express ect. But I feel guilty and hypocritical just at the thought of so... So i just wanted advise from anyone here, if it's okay getting just what's necessary for me that is totally gonna be used to its full potential so it's not going to waste. Pr is there a way to find an ethical web or app that ships to every country?