The lottery has a very poor rate of return, with only 50% of the money going in, coming back out in prizes. The rest goes to the government in taxes, to 'good causes', the retailer and of course Camelot.
http://www.national-lottery.co.uk/player/i...=wheremoneygoes
And don't get fooled by thinking that this is a good way to give to charity (think Dome). If you want to give to charity, put a pound in a jar of your choosing. Having said all that, if your 6 numbers do come up, you're sorted...
http://news.bbc.co.uk/1/hi/england/norfolk/5177682.stm