I will fix them soon, sorry. Could you post some of the stuff you found? Would be helpful.
After unequipping the crown once, when you try to equip it again, you only gain the bonus and you can repeat that for infinite bonuses.
I don't know if it's a bug or just not implemented, but I can't get past muscle level 1 : working out just gives nothing.
It's easy to abuse RNG when you sell yourself : if the hour passes uneventfully, you can just rewind and try again (that's not a bug, but it could be improved)