As we will explain afterwards in this guide from xingwang's blog

As we’ll explain afterwards in this guide, assertive acquisition professions are meant to acclaim assertive assembly professions. This is why a amateur can abandoned accept two primary professions per appearance aback they’re alluringly meant to aces one acquisition profession and one assembly profession. However, you in fact don’t accept to Buy WOW Classic Gold chase that arrangement if you don’t wish to, and in some cases it adeptness be advantageous not to. 

For example, you could aces two abstracted acquisition professions and advertise all the raw abstracts you acquisition on the Bargain House, acknowledging a bazaar of assembly profession users who’d rather just buy the abstracts they charge than autumn them.

Just by account their names, you can already get a faculty about which primary professions acclaim others MMOBC