I got a Baofeng because it was $25-ish and I have no idea what I'm doing. My plan is to learn the basics before getting a HackRF. But I'm struggling. I'm reall

I got a Baofeng because it was $25-ish and I have no idea what I'm doing. My plan is to learn the basics before getting a HackRF. But I'm struggling. I'm really interested in learning about SDR and ham radio tech. I'm trying to study for my license. I have a study guide and I've read through a lot of info, but I'm struggling to learn. I am the type of learner that really needs to know why and what the data I'm learning is used for. Looking at formulas for volts and etc so I can pass a test really doesn't help. If anyone has any resources that explain the why instead of just what I need to know, I would be grateful if you shared them with me.