5000 Daily Quests Completed

Little tips to help you on your way:
Note: These tips are for those truly wanting to put in little to no work and extremely minimal to no time each day and still earn this achievement. It will not replace the need to grind real dailies if you're in a rush to get this achievement, but still help to significantly lower the time needed to earn it, all under 15 seconds to 3 minutes total per alt each day. This is a comprehensive guide dedicated to those who hear the word "Daily" and run screaming!

First tip:

• If you've got the money*, purchase 50 stacks of the cheapest Pandaria meat or raw fish you can on all your alts, run to Halfhill in Valley of the Four Winds, convert all the food into [item=87557] with [npc=64940], and convert all those into [currency=402] with [npc=64395]. Finally use the tokens to purchase [item=86425] from [npc=64395] on all your alts. This is a one-time purchase, and gives you a daily that at first requires about 15 seconds a day to purchase a stack of vendor food and turn it in.
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• However once at Exalted or "Master" with your Cooking Bell student, you will unlock the worlds fastest daily ever. Click your [item=86425], click accept quest, click complete quest, done. Can even be 1-click macro'd and completed once a day on all your alts in under 2 seconds flat.
  *If you don't have the money, you can grind up 50 [currency=402] by doing the dailies at Halfhill, which also count towards the achievement, but hey, we are the proud and the lazy, so money is the best shortcut to getting your Cooking Bell and instant-free daily per day.

Second tip:

• Have an alt with a [item=87214]. These count for the achievement, but are account-wide so only 1 alt need to learn the Engineering recipe, and only 1 daily can be turned in per account.

Third tip:

• The quest giver/bone collector [npc=70022] on the Isle of Giants, directly north of Kun'Lai Summit in Pandaria, has daily quests for turning in
  1 / 9 / 99 / 999 / 9999 [item=94288]. Simply killing 1 to 2 enemies and turning the bones in for the 1 and 9 quest count towards this achievement, and can be done on all your alts over and over. Turning in more than Giant Dinosaur Bone + More Giant Dinosaur Bones on one character a day works too, but is impractical.
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• Easymode: Grind an hour of [item=94288] one time a month and camp your alts there (or have their hearth stone nearby) and the bones should last over a month of turn-ins, per character, with a grand total of about 5 seconds of work per day to log on and off your alt (or 30 seconds if you count loading screens).
  *(See below if this step is too much work for you)*

Fourth tip:

• If the above tip for the Isle of Giants is too much work for you to spend 1 hour a month getting dinosaur bones, or it's impractical for you to camp your alts on the Island and have them at the Shrine instead, then fly 30 seconds south from the Shrine to Halfhill in the middle of Valley of the Four Winds (or camp them there).
  This is the only tip that requires a hair bit more than just clicking a button to turn in a quest, but not by much!
  More importantly, all of the NPCs around Valley of the Four Winds offer a daily quest just by turning in their favorite food. See this snippet of Perculia's Guide for the list of foods to stockpile.
  The way it works is: Have your alts loaded to the brim with Pandaren dishes in their bags (can be bought on the AH), and simply click the NPC, click accept quest, click complete quest, done!
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• While you're there, there is a daily quest for planting 1 crop at your farm from [npc=58721]. You do not need to do anything else, nor harvest it, and can even destroy it if you indeed use your farm. Simply click the farm plot, click to plant, turn in quest a few feet away, done.

Fifth tip: (the best one) and very important

• If you're a late night owl or an early morning person, wait until a few minutes before the daily reset (5:00am Pacific) to turn these in, and then as soon as the daily reset happens, turn them in again! This allows you to get credit for 2 days worth of dailies while only taking the time to turn them in once every 48 hours (instead of the usual 24 hours). Example: at 4:55am, log on to your first toon, turn in these mindlessly fast quests with no work involved, and have your last toon finish by 4:59am. Now at 5:00am, turn them all in again, and sit back and relax as you're done for the next 2 days!
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• If you're not a late night owl or an early morning person, set a pattern of turning these in just before logging off, and then as soon as you log on the next day. This will still allow you to spend the entire day, as well as the next day without even thinking about dailies.

On these 5 tips alone, 3 to 15 dailies a day per alt, with only needing to turn them in every other day (6 to 30 dailies per alt) with NO work involved aside from the WoW loading screen every other day . Add these in to your regular daily grinds and its just icing on the cake.

Total time spent on each toon every other day: 15 seconds to 3 minutes with loading screens if traveling Valley of Four Winds for the NPC food turn-ins.

In order to "unlock" this achievement and the 2500 daily achievement aswell as the 10000 daily achievement you must first reach 1000 Daily quests on a single character to be able to get account-wide progress for your dailies.

I don't think it gives +70 points, it just accumulates the previous 6 ones to show you the total points you've earned through all the daily quests achievements. So basically, it still gives just 10. ;)