DONT TRUST ANYONE ON STEAM

Common sense, really. You don't know who they are in real life and you will likely never meet them, so why trust them?

Dont share you account 1

Well you clearly didn't read the legal policies you agreed to upon creating your account. If you did, you would know that sharing accounts is not only a violation of Steam policies, it's also an obvious security risk.

Dont join any trading groups

Nothing wrong with that, although like with anything on the internet, you should always proceed with caution.

Dont sign to any trade sites

You mean this dead obvious scam sites and those places off Steam where VALVE will not be able to help you? Yeah, nobody should be going there full stop. They shouldn't even be thinking about it.

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I'm guessing you just fell for what should have been an obvious scam. Oh, dear.

引用自 Hank：

Dont share you account 1

that should be an obvious one

引用自 Hank：

Dont join any trading groups

well if its a steam group, then its ok, but of course caution with any type of trading, goes a long way.

引用自 Hank：

Dont sign to any trade sites

anoy obvious one, but of course you get people who will do that and have their profiles compromised.

引用自 Hank：

Dont share you account 1

Correct.

引用自 Hank：

Dont join any trading groups

That is no problem if you know what you are doing.

引用自 Hank：

Dont sign to any trade sites

Correct, only trade on Steam or affiliated options.

引用自 Hank：

Do NOT TRADE IF YOU DONT KNOW THE ECONOMY OF STEAM

That is also correct.