Not vip yet myself but I'm closing in on the all star mark. Apparently you need a few hundred extra tickets after hitting level 10 as glu give you free tickets while levelling up you need to make up for them
An option to confirm your buying a box many a times I've bought 2 boxes from either me double tapping or the game lagging. Would be nice to ask are you sure you would like to buy this box as it does if you make a gold purchase