Scobe's Quick Tip #69
In roulette, it is always better to bet with a trend than against a trend on the off chance that there is something wrong with the wheel.
Such "biased-wheels" will tend to repeat certain numbers and avoid other numbers.
If you bet the numbers that haven't been hitting in the mistaken belief that they are due, you'll be due for a loss!
For more information about roulette read Spin Roulette Gold by Frank Scoblete and Get the Edge at Roulette by Christopher Pawlicki.
Scobe's Quick Tip #70
Betting systems can not overcome the mathematical house edge.
Such ideas as doubling your bet after a loss until you win one will merely change the pattern of your wins and losses, not the overall return.
In the long run, the casino will have the exact edge on the totality of all the money you bet -- no matter how you bet it.
For more about betting systems read Spin Roulette Gold by Frank Scoblete.