locations are fine as is.
bounties for "The nine" faction level are a good idea, but no "crucible bounties" as we already have 2 people for that and some wouldn't want to do PvP for xur.
3oC needs to go back to original before they were nefered
Gear level is also a good idea (if just so you don't have to infuse so many high level pieces to max it out).
For sales something along the lines of armsday orders, where you can order specific weapons or armors (dependant on faction level).
Customizable shaders and glowing shaders from him would be a good idea for variation.
and for all that strange coins would need to be made more readily available to everyone.
English
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It is only fair he gives PVP bounties, he sells end game loot, if you want it you need to play the game. And I disagree with the higher level gear, he isn't used to level you up, he is used to give you guns that you want
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As is even now strange coins can be a pain to gather