the info-graphic is very helpful, but also read the article it goes with. This is *very important* stuff -- and yes, hard to face and think about, but do it. You'll be so very glad you did when the time comes.
2300+ Homemade Dry Mixes ~ this is the motherload of all DIY mixes on the web! These are broken down into 31 categories and include hundreds of "convenience" mixes like cake mixes, taco seasonings, copycat recipes... wow!