The 'safest' bets in roulette are those that give you almost 50% winning chances. These are odds/even, red/black, and high/low. How do you win big money at online roulette? The 'easiest' way to win bigger amounts is through single bets, which is betting on a single number on the roulette table.
What are the pros of the Fibonacci roulette system?
Losses won't be as drastic as with other strategies like Martingale - as the stake doesn't drop as dramatically when you win, it's easier to make up losses (provided you win a few bets!)
It's quite a simple sequence to calculate and follow, with no complicated math.