The simple dollar is quickly becoming one of my favorite blogs around...
Anyway, check out this post on the costs of buying disposable rather than getting inexpensive but reusable things:
The Simple Dollar Stop Wasting Money on Disposable Things
I'm definitely guilty of some of these things. I think I might actually buy that pile of rags soon to use for cleaning my bike.
Good tips though, and a good resource to show others why we shy away from the waste associated with disposables.