you can accumulate more FUN tokens by redeeming your RPs in exchange of free FUN token bonus. take advantage of the opportunity as much as you can. as long as freebitco is here, there's chance for FUN token to increase its value.
Redeeming RP for the FUN token bonus is not profitable, considering that 5 FUN tokens per roll are worth 3k RP. It means that even if you're able to claim this bonus 20 times during the day, you will get only 100 FUN tokens. As for me, it's better to just accumulate 100k RP and exchange it for 100k sats.
These are very easy things to calculate for having better results from this site which is doing very good wasting your RP for Fun tokens is never been good idea just accumulate them and then cash into bitcoin which is really better option and having more profit because with this you can buy more FUN tokens instead of going into this way. I already have once this 100K SATs and now going for this second time which is really great profit for me from this site.