VIP Buying System

I know this is a minor issue but I just lost about 21.5k Due to accidentally tapping on buying VIP (3 Month Subscription) Please add something such as a "Are you sure?" Button and also maybe to other items that might be bought on accident. Please I know this is minor but the gralats I spent time on saving was gone and would loved to have it back (please, you can take everything I got from the vip subscription I just really want my gralats back) This just happened a few minutes ago.