www.bankrate.com This site can help you decide what rates banking products are providing.
www.upromise.com This is a savings program for education (529/student loands), free to use, and can save money on your existing purchases.
www.mypoints.com A website to get free points and accumulate others through offers.
www.dealtree.com A way for you to turn your old electronics into gift cards at participating stores.
www.freecycle.org Website with communities that try to reuse/recycle items by giving them to each other.
www.gcycle.org An index to help you determine what can be recycled, and where.
www.couponstogo.com Printable coupons for your use.
www.craigslist.org Community type of advertising, many topics included.
www.mint.com Place to plan and work towards defining your own budget.
Shopping:
www.expedia.com
www.hotels.com
www.fatwallet.com
www.froogle.com
www.ebay.com
www.dvdpricesearch.com