I've got about 1000 silver crates and 180 gold crates unopened. Someone once said it's a good idea to keep them for Derby's etc. I've got this far with that but now I'm thinking why? And how ?

And I've stashed a little over 300 fortune vault tokens. The thinking there was to always have a buffer in case an event demanded the opening of fortune vaults https://xender.vip/  . But that really only needed say 50 tokens and its got out if hand

Is there any reason to keep all this for some reason I don't know or should I cash it all in?