Do an inventory and save original receipts.....
Better yet, video your precious stuff with commentary and those receipts.
BTW, I saw prices for that logic board replace at $600-$800.
Speaking of logic board replacement, is there a thread on the MB Pro 2010 and the screen from ****? You know, the one where Apple is replacing certain logic boards for free but isn't advertising it?
It seems, my opinion, that Operating System upgrades are leaving the hardware engineering of older MacBooks and the like in the dust bin. Just my opinion.