Apologies if it's been said, but for the dragon boosting you don't need to quit to the menu. You need to find a way to die and then just fast travel back to the garrison. Easiest way is to find a group of scientists and kill three of them, that 'kills' you and resets the dragon spawn.
Edit: Scratch that, it resets the spawn but the kills don't seem to count towards the achievement, very odd.
Last edited by samsaBEAR; 05-04-2013 at 10:22 PM.