As for the 10 ticket at a time thing, I think it's baloney. Sure, you have a good chance of getting a winning ticket, but that ticket will probably be a push. But, I've wondered about the randomness of the printing process.
But the best move I ever made in lotto was to quit playing it.
Definitely, although I will admit when the Mega Millions jackpot goes over $300 million, I buy one or two tickets for fun. Good donation to the children if anything.
A bit off-topic, but I wonder if this guy's story has been discussed on these boards before? I just joined a couple of months ago, but this story is about a year old.
Cracking the Scratch Lottery Code
Short version: a statistician figured out a way to determine whether a certain kind of match-the-tic-tac-toe scratch-off lottery ticket was a winner by looking at the patterns on the visible tic-tac-toe boards.