I sprayed NAPA Undercoating onto the frame brackets for the bushings, cleaned out the driver's side weatherstrip lip, sprayed NAPA Rust Treatment into there and onto the driver's side floorboard, AND had this installed:
The old door was CRAP: 6 single pane windows to the old door, thin as heck wood, and a skeleton key! I'm still surprised why the garage wasn't broken into. It took the company men 8 hours to get this thing in but they did a great job. I can now sleep much more soundly knowing a deadbolt is helping protect my truck.