6. Websites should post their password requirements on their login pages so I can remember WTF I needed to do to my normal password to make it work on their site.
Confession: I totally do #16. I have change, it's still money. I am going to dig through and see if I can pay it with what I have rather than get more. That gets heavy man!
I love the idea of #14 - turning off all lights for an hour to see the stars for Space Day - but knowing humanity like I do, it will probably turn into the Purge.