What more should you be able to do with coins?

[Excel]

Raffle-Each player can enter 250 coins a week to a raffle host npc.All proceeds would go to 1 person from the amount funded.The NPC takes out 5% of the winners amount
A raffle each month for forerunner fragments the grand prize would be 500 fragments and would cost 1k coins to enter Monthly.
A raffle that gives a unique random 3-4 guns(or a new tier only acquired from this raffle)Costs 500 and happens every week
A Spinning prize wheel on the lobby server that has unique items on it only acquired from the wheel.