You may:
Contact me regarding buying / trading - make sure to notify me down below.
Offer me skins, as i am interested in any offers.
Be nice, the last thing i want to experience is a grumpy customer.
+Rep me from previous transactions/trades.
Request +Rep - if i've had any experience with dealing with you.
Add me on valid terms or for further trade/negociating.

You may not:
Add me on FALSE/INVALID inquiry (instant block/decline)
Post irrelevant comments in the profile comments (trade related only)
Send me a tradeoffer without notifying me (for your own sake, i wont follow up)
Ask to join in on my business, as i'm handpicking crew myself.
Attempt scamming, i will quickly disrupt conversation if you make fishy requests.
Ask for free items, i am not giving out anything on requests from anyone.