This is my first time seeing a win rate like this but what I only saw in the past is 98 percent on dice and other casino games. This looks high already but losing can still come often. That is how risky online gambling was. House always have the advantage over the player. Op can't do it himself because he said he is restricted but even if not, there is still no way that he can make a guaranteed profit.
The thing is when you bet 98% winning chance on dice game, you only earn tiny amount money but you're risking all of your bet since you need to bet higher amount to earn the profit. I already try multiple times to bet 98% winning chance, but in the end my profit can't cover the losses and end up losing anything. There's no such 99.99% winning chance especially on sports, there's a high chance an underdog can pull an upset.