Well, if you have time to watch TV, you have time to sharpen all of your utensils. A sharp knife means less effort is needed to use as well as being a nice helper when you are deboning a chicken thigh or a fish or what have you.
This a video on how to use a wheeled knife sharpener these do a fine job especially on longer blades and charming cheapy flea market blades.
The old fashioned way, a wet stoned pocket knife
For a prepper, or Frugalist, how to use a cinder block to sharpen a knife
How to use some commercial systems such as a Lansky
How to fix a blade with a chip in it with a stone
Wet stone maintenance
Learn to sharpen your own blades, scissors, shovels, hatchets, what have you, so they perform the way they should when you reach for them.
