I had to once make an essay about money and luck.
My conclusion was that money doesn't necessarily make you happy, but it creates a shortcut to happiness.
The first thing I would do is send all my friends to my parents home in Mozambique (my parents live and work there since a year).
We would just stay there for a few months during summer holiday. We'd party, but I would also organize a help program to participate in with my friends.
We would, after a week or two of relaxing, try to teach children English in Mozambique.
Mozambique is still very poor.
Last time we were there, we decided to sponsor the local soccer team (Football would be the correct word, in my opinion ). We gave every player a pair of socks.
This sounds like a small gift, but you should have seen the looks on the faces of those people. We made grown men happy with soccersocks. Very impressive.
So I wouldn't have to use a lot of money to do this stuff. I just need a little bit, because even though it's a small gift in our eyes, in their's it's worth a fortune.