Sport betting can gives stable income if you can analyze lots of information and keep calm in stress situation. Of course with risk management, money management and strategy. But it stop to be classical gambling for fun and emotions that moment.
What you mentioned can be applied not only to sports betting but also to trading. Analyzing information in trading, as well as calmness and compliance with risk management, will lead to profit in the long term. However, it is worth noting that both sports betting and trading have moments that are impossible to predict. Whether it be a player's injury that will affect the outcome of the match and, therefore, your bet, or whether it be the manipulation of major players in the market.
I still think trading has the best possible outcome compared to sports betting. The risk factor in gambling is just too high, and it could always be a trap, so you will never know. It's way different in trading where you could pull out anytime you want and save yourself from losses. There's no trap. It's just people trading consistently or those who suddenly come and buy or sell. Now, the problem has always been how to predict those outcomes, and both have a difficult way to do it.
Still, I do believe that trading is better than gambling but we must be educated well if we want to succeed in trading, unlike how it goes with sports betting where you could analyze as deep as you want and still lose in the end.
Exactly, trading is better and more profitable than gambling if you have understand when to open a trade and come up with your own strategy that gives you profit. No matter how small the profit in trading is, it's never by luck but skill. In gambling, you might not have the knowledge of the game but your first time might give you a big win because of luck.