So me and my pals always sighing over edo hashi or sutachi

It gave me a wonderful idea, a trading system for treasure units only.

It will cost players on both side to do so, So if a player wants to trade a maximum of 10 frags per week it will cost them a minimum of 5k coupons/Ingots

So I want edo hashi and my friend wants umm tendo, he'll pay 5k and I'll pay 5k I'll get the 10 edo hashi frags and he'll get the 10 tendo frags, it be hard to exploit for the fact that you can only trade 10 frags maximum of only 1 unit per reset like how you cant re-hit the moon cap if you already hit in the week (In the treasure excluding time limited, so only Great ninja war, Land of lightning, Edo tensei,Jin 1 and, Kage, tendo, sage and seal treasures) of course this idea can be expanded on.

So let say I want roshi for a example and my pal wants han, will both pay 5k for 10 frags. Then have to wait into reset to trade again that now being 10k on both sides for 20 it would take up to 8 weeks of trading 5k every week to get a solid full 80 frags of a unit.

Yes I am aware this process will mainly be used for edo hashi and sutachi but it still a way of trading on both parties need to have enough coupon/ingots to trade, so that a simple whale can't come in and give a person a free 10 frags basically