To make money with Google Adsense it all starts here by choosing high paying Google Adsense keywords to make more money. For example, if you're aspiring to do something that many, many other people want to do (so much so that they do it for free, as a hobby) then it will be far more challenging for you to make money doing it. On the other hand, if you do something that most people don't want to do, or if you get very good at doing something most people don't do all that well, then you can make a whole lot more money.
If you're providing a superior product or service, you should be getting at least the average, unless your profitability depends on mass production, in which case you're probably making a lot of money and wouldn't be reading this article anyway!
Actually, when you consider that you pay taxes on every penny you earn, you really do make more money by saving than by increasing your income, especially if the extra income will increase your tax rate dramatically.
To sweeten the deal further, if you take advantage of compound interest as found in most savings accounts, over time you'll start making money on the amount saved plus previous interest paid on that amount saved.
Make sure you're able to do whatever you agree to do. If you know your parents like a chore done a certain way, don't cut corners - do it well, and they may even agree to give you a raise in the future!