...Yeah, complete your bounties and turn them in. Completely shut off your console right after, then boot up to Destiny to see the bounties are still there and didn't reset.
Good way to level up factions and weapons/armor. Get 3-4 easy ones if you can, then keep doing 'em. Have fun.
My God, my new Icebreaker will be fully maxed out by day's end if this works.