Nostalrius Begins - Quality wow vanilla realm (1.12)

Hey guys, i saw these kinds of posts going around reddit and i thought it would be fun to post it here as well. So what advices/ suggestions would you give to a new player that sound good, but in truth are terrible?

Some ideas:
-As soon as the tank attacks, burst the mob to kill it as soon as possible.
-If you or your pet can taunt, do it so you split the damage with the tank
-Buy all your spells, the more the better
-While leveling always try to invest money on gear to have the best possible and make it easier.
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Level with a partner. That way you get quests done sooner and u level faster.

Divide your talent points evenly across each talent tree. That way you can adjust playstyle.

Ask for gold and open trade with as many people as possible to increase rate of success.

Go to ungoro and skin devilsaur for easy cash

Get leatherworking so you can turn your ruined scraps into thick leather.

Implement a queue system that makes Premades only fight each other

Read the Nostalrius PvP forum, there's plenty of great advice and mature people all around.

Every week farm as much honor as you can - it provides higher rank and better gear
Nobody restricted you getting top 100 standings with Senior Sergeant PvP rank

While leveling don't bother to stop and waste your time doing BGs, instead just wait until max level to farm BiS pre-raid and enjoy your time looking for dungeon groups and doing an entire run for a piece of loot that may drop.