Under "Household Tips" there is a category called "Frugal Living." Many of my ideas for homemade detergent and cleaning products are from this site, but there are so many other helpful categories all with the intention of making life easier and run smoother.
Also, Mark and I stumbled upon this website sometime ago. Let's just say that we never pay shipping or full price for anything that we buy online. We bought Christmas presents last year exclusively online and saved 5%-30% and had free shipping on everything. It takes planning and time to surf online to find the best deal, but it's worth it.