How Do I Unclog Household Drains?

So there you are, minding your own business while having a shave over the bathroom sink, when you see it. The water. It’s not draining. And your sink is threatening to overflow. You turn off the faucet and consider your options. Option 1: You freak out and start screaming. Option 2: You find a useful blog much like this one and learn how to handle a drain clog on your own.