Had a similar issue a few years back—spent hours sealing around the window frame, only to realize later the flashing above was improperly installed. C...

This resonates deeply—I've been there more times than I'd like to admit. Your tips are solid, especially the rope caulk suggestion. I've found it part...

I've used thicker vinyl before too, and while it helps with drafts, the insulation gains were pretty minimal. Maybe pairing it with some foam weathers...