It can very profitable, I live on my own (student) and do my own groceries and going out to pubs from casino profits a lot, all made on roulette. The house always has a 2.7% advantage, so whatever your input is, you will have a -2.7% disadvantage. However, playing by repetitive patterns and quitting on time significantly increases your winnings - Atleast in my 4 years experience. :)