If you scam, attempt to scam or influence another person to do so, you will be banned. This includes, but is not limited to: Spycrab fraud, lying about prices to gain leverage or profit, threatening a player for items, claiming to sell an item other than the one you are actually selling. Renaming items with the intent to confuse or misguide traders, openly admitting to scamming (past, present or future). Money reversals, fake steam wallet codes or fraudulent schemes.
Being marked on Steamrep
will get you banned until you are unmarked or cleared of any wrong doing.