My suggestion is exceedingly simple. Any option in the game that uses the in-game Cash should create a pop-up confirmation asking if you’re sure you want to continue.
Both me and my fiancé have had issues with this where we’re trying to exit out of a Strike Event we just don’t have the dinosaurs to beat and accidentally hit the “Try Again for Cash” option, and suddenly we’re now short that hard-saved Cash with another try at a Strike Event we already admitted defeat to.
It’s an exceptionally unfriendly U.I. option in it’s current iteration if any options don’t ask for a confirmation, since accidental button presses are entirely possible. Losing premium currency because of such things is abhorrent, as such a thing is easy to put a basic safeguard in place for.