Transactions: Mail, guild warehouse in Guild Wars 2.

Transactions: Mail, guild warehouse in Guild Wars 2.
About the transactions would like to ask a few questions:

1, the contents of the letter in English to fight mailed reason, whether it really will not lock it?
Was playing mailed reason also lock it?

2, I and my friends to play with, and if I want to give him a "play money" or "equipment",
Contents of the letter to how to play Guild wars 2 gold good? Can someone share an example?

3 edition also seen some people say, you can use the guild warehouse transactions,
Guild warehouse transactions, whether it will not be locked up?


Above questions, are kindly requested to answer, thanks!

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