Currencies!!! Glimmer, vanguard marks, mote of light, strange coins, the now defunct vanguard commendation.... Which most of which buys you nothing or inferior gear or items. The give you all these glimmer enhancing items that you stockpile in the hundreds because you never really need it. Come on, Bungie. Get rid of some of these or give the vendors something worthwhile.
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You can use commendations for gaining rep just get rid of them and level your faction up thats one gone haha