For instance, laundry. I used to just throw it in the machine and not worry about it but that's wrong. It leads to pink everything. I figured that out by high school and while going through her website I found her stain removal guide. I'm planning on printing it out and framing it for the laundry room!
Here's the direct link to the PDF printable from Martha Stewart's website. HERE
Images from Indulgy.com, specifically here