Photoshop requires you to be creative and design savvy, two things I am not. I spent a year miserably failing in a photoshop based job. I think the only thing I learned to efficiently in that time was crop things correctly.
It was one of my goals to extend my knowledge, but it has not been easy.
1: Photoshop is expensivvvvve. Spare cash I have not.
2: Beginner’s photoshop tuition is expensive and you need to dedicate time to it. Time I have not.
3: There are lots of YouTube videos explaining various techniques but they rarely start from the very basics.