Brunnhildar Village
You may do two daily quests every day, one is random, each rewarding a small amount of wow gold, and a bag of Hyldnir Spoils. Inside the bag you will find food, snowballs, or 1% of the time a Reins of the White Polar Bear. If you do not want the mount, then only three of the four quests are likely worth your time.
Back to the Pit:
Ride a bear in the nearby pit, use skills to kill other bears. 
Defending Your Title:
Challenge and kill 6 nearby "Victorious Challengers". 
Maintaining Discipline:
Go and poke 6 Exhausted mobs in the nearby cave with a rod. 
The Aberrations Must Die:
Kill mobs to the west in Valkyrion for an item to destroy eggs. The eggs are located at the back of their camp. You should be able to complete the quest using 5 items, killing groups of 6 eggs. If there is more than two people doing this quest at once, it will take a longer time. This quest is offered every day. 
Sons of Hodir
These daily quests are not the fastest, but are necessary to get shoulder enchants. (Unless you are inscription)
Blowing Hodir's Horn: Kill 10 nearby mobs, use an item on their corpse. 
Hot and Cold:
Kill nearby Brittle Revenants on the lake to the north, get 5 items, use them at the path to an anvil north of the lake. Anyone can loot the item on the ground after you use your essence with it.
Polishing the Helm:
Go to the cave at 56, 63, fight your way in to the back, and kill 5 of the neutral slime mobs. There are only maybe 8-10 mobs spawned in the entire cave at once, so this will take a while if there are other people doing it. 
Spy Hunter:
(Requires Honored) Head out to 57,63, use your horn, watch a wolf run around in circles until a Stormforged Infiltrator spawns, then kill it. 
Thrusting Hodir's Spear:
(Requires Honored) Go into the nearby valley, spear a flying protodrake, then use your new skills bar to kill it. The basic idea is to spam grip, use the Mighty Spear Thrust every time the cooldown is up, spam dodge, and if you can somehow manage to get little hits in, that would be good. In phase 2, the basic idea is to spam pry jaws open to at least 10-15 stacks and then kill him. There is a longer and well written guide on the wowhead quest page. 
Feeding Arngrim:
(Requires Revered) Go into the nearby valley, use the item on Roaming Jormungars, DPS it down some more and the King will come in and eat it. This quest can be done at the same time as Spy Hunter.

World of Warcraft Gold Tips are plentiful, but gold farming is a tough business.