In looking at things more carefully, I see that I actually ordered 16GB of RAM for J's 13" MacBook Pro in February. It was $88 then. :-/
I don't really need the RAM. I get bored with my computers every few months and feel the need to spend money on them. I need to get out of that habit...
If these sticks drop below $100 again, I'll reconsider. I think they'll work, but if they don't I'll send 'em back. :-)