"Pin" money, or how to improve your day with a few freebies and a little money

Note: Most of the specifics here will be US oriented, but hopefully anyone can find the tips useful.

There are a lot of freebies and ways to earn a little cash available on the web that people can find quite easily. I've been actively doing this for years and it's amazing how much I've acquired with little to no effort on my part.

( This got really long... )