So I'm interested in crafting, I only have 2 at 50(BSM,ARM) and the rest are everywhere from 15-30, my main question is do I have to level all of them to 50/60 or can I just pick the one I like and take it to 60?

I do have a gatherer(MIN) at 60 which i can use to offset some of the cost but I do realize i do have to buy whatever i can't gather/craft, which I'm fine with. Getting all to 60 just seems hella daunting, and probably is, but if i put effort into one crafting class would that be ok?

P.S sorry if this has been asked before