Pretty much what you said is about the only way to gain from server transfers that I can think of. Just research what sells low on your server and what sells high on the new one. May take some time but in the end it would be worth it.
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I'm changing realms on my level 80 paladin from Executus to Illidan. Does anyone know of a way to make any kind of good gold? I have about 2kG. Obviously buying on the one realm and selling on the other is a good way but I don't want to waste too much time.

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Pretty much what you said is about the only way to gain from server transfers that I can think of. Just research what sells low on your server and what sells high on the new one. May take some time but in the end it would be worth it.
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Okay, do you know any place online that can search these types of things?

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Action house//
Just spent sometime inside the server and see the action house use an addon that you can compare and find so will be more easy and then just buy it from yours and sell them to the new one.

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I will agree with the Sayu, like he said there is nothing stable, always some one which have time and have the most farmed things place the prices and then the rest will follow or if the "big player" prices are not normal they other will out sold by him or by other but the point it that nothing is stable.. for a while.. just you need luck and a lot of search.!
Regards.
Everyone seems to have given the lowdown. I'd suggest looking at things like Arctic Furs and Crusader Orbs. Those things seem to sell high on my main server and a little bit lower on my alt's server.
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