You can purchase specific amounts for a lot of vendors, take the time to research the product and plan accordingly and many parents will not have these issues.

You can purchase specific amounts for a lot of vendors, take the time to research the product and plan accordingly and many parents will not have these issues. If using the apple App Store it is the easiest I've come across with setting limits, controlling downloads and purchases, you can add funds instantly so your child never has your card number. Unfortunately everyone believes they never have the time, even though these devices are easier then setting up a family PC was in the early 00's