You'd be spending the same amount of time AFKing in Stormwind waiting for a queue.
pree 1 button and wait or
/1 lfg dps BT
repeat for about 5 to 15 minutes and finally found someone
/1 lf2m heals/tank BT
repeat for about another 5 minutes
/1 lf1m tank BT
repeat this for like 10-50 minutes cause you'll never know when you may get one