Most of us know that when we send a gift to someone a message greets us asking If we are 100% sure that we want to do the following actions.
So, why don't we have the same when we buy something?
Loosing Event Currency can be frustrating, I can relate to that as I just lost 100 HS I worked hard for In a split second. Why not have a message pop up asking us If we are sure we want to buy these Items :

We can either say Yes and It will buy whatever we wanted or No and take us back to the shop for us to select what we wanted or didn't want. This can prevent people from buying something they accidentally selected, but didn't mean to or for other reasons