I'm no judge of abstract art but what I will absolutely suggest is you study further into software use, Photoshop is predatory and even though it is the industry standard I am a proponent of exploring your artistic endavors in more than one platform, look into the Affinity suit, specifically Affinity Photo if you're meaning to replace photoshop, there are MANY reasons for this and now that you're starting I really recommend looking into it so you learn under one single umbrella on a software that is much more open, less greedy, and way cheaper to maintain

As per learning a program, I usually delve into it blindly and start playing around just like you did, I feel like this makes you learn to speak the language of the program, to put it in a way, instead of sticking strictly to tutorials and following guides that may fill some holes for your curiosity, but they may not fulfill your specific needs for art, maybe you're great at vector, maybe you're great at crosshatch portraits, and the tutorial you're looking into is vfx, so my recommendation on how to learn it is just like you're doing, it may take longer to see results but it'll be a much more seamless experience in your mind once you're solving the problems that comes with trying to materialize what you can see in your mind.

Another recommendation I'd love you look into is applying AI into your art, this is so your aspirations of being -as you said- near professional, get a bigger possibility of happening, I support the notion of ending the elitism regarding AI, it is there, and it will be there, it is better to integrate it into your workflow rather than shun it and end up obsolete.

Apart from that, best of luck, don't burn yourself out trying to upload something every day, it will make you need to impress others with your progress, take it slowly, I'd recommend worrying about uploading once a week and the rest just enjoying the journey and experimenting.

Again, good luck!