Hey guys, Long time lurker here, I've done some searching on the forums and found great advice to help answer my question but I'm still was wondering if there are things I should know before using my upgrade to get an iphone 4 and turning around and selling it on EBAY. I've seen: Not to send/sell to international buyers. Don't sell to low/no feedback users. Use Paypal. Insure shipping Make the person sign once getting to so I can use paypal. Some other details. I will be selling brand new in box. What are the precautions I should take regarding the sim card that comes WITH the iphone 4. I won't activate it.. but it still worries me that somehow personal information may be linked to that sim card somehow through todays technology. I know that the iphone 4 comes with a sim card and I am trying to avoid opening it. Does anyone know if downgrading the data plan will void my contract and make me pay the ETF? I want to stay with ATT just not the data plan afterwards. Also, I've seen people talk about the buyer signing for the package and claiming the phone is not in the box. Then paypal sides with the buyer and returns their money and I am out of brand new phone. Is this true? Tips to combat this? I've heard of sellers videotaping the packaging/handoff to UPS/USPS. If there is anything I haven't mentioned or thought of PLEASE bring it to my attention. I use this site for news/guides/ipod stuff and have found it so helpful. Thanks for any help anyone can provide. PS Any recent scams that I need to know about? Basically anything to avoid being scammed and making this process as smooth as possible.