I've been Playing Golf for: 6 years on and off
My current handicap index or average score is: not sure
My typical ball flight is:
The shot I hate or the "miss" I'm trying to reduce/eliminate is:
I think you could fix a lot of your issues right away by strengthening your left hand grip (i.e. rotate your left hand so its more on top of the club). You're compensating for that grip with almost all of your other flaws (coming from too far inside, doing the pelvic thrust move at impact to get out of your own way).
Check this video out, it describes your issues pretty concisely: