I think you need to slow down Josh. Power chords are not as easy as they look and take time to master. I wouldn’t even think about applying chords to songs until I can play them cleanly and do decent one minute changes. Its all about baby steps. Focus on playing the power chords cleanly with no other strings ring out. Just one to start with. Then repeat 2 frets down or up. Doesn’t matter what the root is, just play it clean. But say its 5th fret 6 string root A5 the go two up and play B5. To start lift your fingers and don’t slide, practice placing the power chord down accurately each time, you won’t always be sliding but you will always aim to play cleanly. When you can move from A5 to B5 and the chord rings clean (get it right with minimum distortion to start so it doesn’t mask sloppy play) then add G5 at the third fret. Play A5 B5 A5 G5, practice slow practice clean. Could take weeks could take months, don’t rush get it right. Repeat on 5th string same frets D5 to E5, add C5 and do D5 E5 D5 C5 slow steady accurate and right. Once you can do this then start thinking about songs. Slow and steady wins the day, you need patience and dedication. 
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