Here are some informative links about how to make things yourself.

Homemade Cleaning Recipes
Cleaning Supplies
Cloth Diapers
Coffee Creamer
Deodorant – homemade

Fabric Softener – My stepmom uses this and loves it.  She says it works very well.  I personally just use vinegar in my rinse cycle and it works fine for me.
Groceries
Laundry Detergent
Moon Sand
Nursing Pads
Paper Towels
Pasta
Reusable Sandwich Wrap and here
Reusable Snack Bags
Swiffer Duster Refills
Swiffer Wet Pad Refills
Yogurt and Cream Cheese