I have suffered from a chronic illness which at the moment has no cure and is only getting worse. I wouldn’t be able to get married and have to support myself financially. I am planning on buying a house to put in rent and get an income from it. However while saving for it hajj would become wajib on me. Would I have to do Hajj first and then come back and save for my house? (side note due to my health condition performing hajj would be very difficult for me)