First off I'd like to say that I am not recommending that you don't clean or never use any cleaning supplies. :) I am just suggesting that you consider what supplies are most important and see if there are any changes you can make.
About 2 1/2 years ago, when I had my very first blog, I made some real changes about what I used to clean. I quit buying every single product known to man and began to simplify.
Now I mainly use Vinegar, Baking Soda, Bleach and Dawn. On an occasion I pick up another ingredient if I am wanting to make a specific cleaner. There really isn't much that I can't get done with one or some of the above items.
TipNut has recipes for just about every cleaner imagineable!