HB does have the function to mine/herb but, I'd only suggest it for levelling the professions or whislt you level a character, otherwise it's just not good enough.
You can mine/herb but not with your flying mount. If you want to mine/herb (HB) with flying you need a lifetime account.
And why i go disconnected so much when i bot in pvp ? Any good profiles to make my char "good" in bg?s ?