Personally I am fully against a trading system, although I do think it is unfair that my friend who has played for 3 more days of game time than me, still does not have enough raid gear to reach 30 and I am already 30. My solution is a pawn system. Put a permanent figure somewhere in the tower who you can pawn off raid gear or exotics to earn 1 or 2 pawn coins. Every item dumped into the pawn system can be sold back, but only for how many were dumped. An example is say 4 total people on PS4 pawned a Suros Regime, then all the other people on PS4 have a chance to get one of those(upgrades are reset, but maybe a fully leveled and upgraded piece of gear gives one extra coin), after those 4 have been bought, you can't get any more. The two ways to make this not an instant way to trading is make the items worth around 30-50 coins, and allow a maximum of 10 coins to be gotten per week. This means that if somebody continually can't get raid boots, in 3-5 weeks they could buy them while getting rid of any duplicates in the meanwhile. To be able to earn coins for the week you must have completed the entire raid start to finish for that week.