It's great that you are starting to understand betting! I also faced similar problems when I started. The main betting tips I learned are to always check the stats and news about the teams before the game. Sometimes even a little information about injuries can change the whole situation. I found some useful tips on this topic on one site that helps you understand betting -
https://pin-up-bangladesh.net/pin-up-bet/. Hope this helps you make more informed bets!