If sales won't go so well, or if you would like to try a different marketing approach, you might consider this:<p>Instead of asking for money upfront, you should give the app for free with a few sample monsters. Then you can provide the full package with in-app purchase. The logic behind it is that it will be easier to convince the parents to pay for it, after their kids love it. Another reason - with a $2.99 price point, it will be hard for you to hit the top list, which has the most influence on your sales. But you could charge that in an in-app purchase without affecting your listing in the free apps.<p>If you decide to do it, make sure to ask the user to upgrade in strategic locations (For example, after they launch it several times, after they finish all the paintings, etc.)<p>Good luck!