Any ideas how to fundraise LOTS of money?

Hi there. Me and my friend Lauren want to go to Nepal in December 2012 (see this page a href="http://www.facebook.com/pages/More-than-friendship-its-hope/226061024073288?)" rel="nofollow"http://www.facebook.com/pages/More-than-…/a and we need to earn about $9,000 NZ each!!! Do you have any ideas how we could earn that much money? We are both students and I (Heather) have a part time job but I don't get much and most of the money is used for petrol and to my parents for a debt I have with them so the money we need to earn will be mainly need to be raised. Any ideas? I have created a facebook page and now a twitter account to hopefully get more awareness and our supporters can keep an eye on what we are doing, do you have any ideas how we can earn about $18,000 NZ?? No rude answers please, thanks heaps, and please like our facebook page and let others know about it! THANKS!