I only weld aluminium, I do it every day,I'm on 2yrs and 9 months. Sure as s**t my aluminium welds won't look like that in May!
its only bird cages I make but I still do it every day,
biggest factor is interest in what you're doing, who in the right mind does something for 8hrs a day then goes home to do it again at night, I'm also never happy with anything a make,