You know, you can make a quick $100 this way, It's pretty lame but it does work.
Get a very high paying keyword, i.e. >$30 a click (like mesothelioma, but this one is very saturated and highly monitored)
Now, go into your local computer store, library or retailer like Best Buy or Circuit City, go to the numerous laptops/desktops, usually one to two of them have a internet connection. Get on and click your links =).
There is no way for google to ban you for doing this as long as you keep your impressions high (just get some cheap traffic to your site, or just fake it with a bot along with socks proxies).
There are MANY faster ways to defraud google, but this is the easiest one