Where is my money? 29.99 usd

We are fellow users, we won't know whee your '29.99 usd' is. If you mean that you've bought something from iTunes and can't remember what it is : See your purchase history in the iTunes Store - Apple Support

If nothing shows on the purchase history of any iTunes account you've linked to the card, and if it's not : temporary store holding charge, you contact the card issuer.