Summertime summertime, sum sum sum summertime and we all know what that means!  Scary frizzy hair  but it also means oodles of outdoor DIY maintenance and repairs.  Especially fixing rotting wood damage around a garage door frame. 
Woot, real exciting stuff, riiiight"!  I've got hot tips for you that you can use in various scenarios so this will be worth it even if you don't have this exact problem.
Ok, so the door leading into the garage faces south and with that comes weaaaather pummeling it season after season.  Sun, rain, heat, snow, ice, clouds beating it daily.  I'm surprised it's still attached.
The flipper, oy the flipper, so he hired an outside company to build this garage, right, and while it's not the best craftsmanship ever, it's pretty well the best craftmanship on this 25' x 125' plot.   Sigh.
So what we're going to get here today is not a complete tear-out replacement as I was not interested in that task, we're going to get some band-aid repairs that will extend this particular area's life.
Which is totally reasonable.  Not always are the funds, time, and/or abilities available to do a full replacement so we have to buy ourselves some time.  No shame in that.  But don't make a situation worse or totally cheap out with the repairs; be smart.
Oh and forewarning....there is not a single pretty picture in this entire post.
First, examine the situation at hand as this determines the repair route.
Be...