When I started learning about photography, I did everything by reading/watching tutorials on the internet, practicing it, and trying things out. This included editing.
And boy, did I make many photo-editing mistakes in the past.
My editing style has evolved over the years. You can see that during my early days, I was a big fan of yellow filters, and I seemed to struggle with enhancing my photos while keeping it look natural. I did everything too much. Too much contrast, too much saturation, too much… editing.