Reading skills and advice are great, but putting them into practice is quite another matter. It's also difficult to use these skills against other players because you're likely to focus on the game and only use them in specific situations. Fortunately for you, the rocket League community is aware of the steep learning curve of the game, and has produced customized training packages to create very specific training for you to hone your skills.
Although we won't emphasize any specific rockets League exercises, you won't have too much trouble finding courses that almost anything you want to learn and practice. These exercises can be used as your search code, so you can start your training at any time. But there are a few things you need to remember.
First of all, we strongly recommend that you conduct an exercise, in which there is a video to show how the action is carried out. There are plenty of highly skilled players on youtube, so that shouldn't be a problem. Second, you want to find training that suits your skill level. Training for a highly skilled player can be too complex or challenging if you're just starting to try.
Learn about various cars and Rocket League hitbox, practice with different cars to find the best option and setup for you.