Looking for advice on getting a wheelchair at 19

Hi there! I’m a teenager too I haven’t looked into wheelchairs yet but I do use crutches and a cane. I only have pain in my right foot and collapsing of my hip and knee. I also don’t have a diagnosis yet but I’ve been dealing with these issues for almost three years now. I hope you’ve been able to found something that makes you more comfortable. If you want to talk more feel free to message me! :)