Experience wont give any advantage for us however the number of your bankroll could matter. If you gamble 10 btc with 97 % chance to win, you will get 0.2 btc everytime you win. That means you are getting around $300 everytime you win, it is a small amount however it might be enough for daily usage
At first glance it looks very nice to get "free" $300 once in a while, but if you look closer, you will notice that you risk entire 10 BTC with your every bet. For example, you can win 20 bets and have $6,000 in profit, but when you lose your 10 BTC bankroll you will end up with -60% net value. This example proves that gamling is to risky to consider it turning into source of income, whether you have years of experience or a newbie, big bankroll or small, gambling should be viewed as just entertainment.