The five-dollar savings plan: Every time you find yourself with a five-dollar bill in your possession, you set it aside instead of spending it. At the end of the year, you use the money you've saved for either a big purchase or to do something you wouldn't normally spend the money to do.
The Envelope System--for budgeting your paychecks and staying on budget. This was actually how I saved up $630 for a computer and $350 for a new aquarium at the same time... then I stopped doing it. Maybe I should start again.
Safe Money Millionaire: The Secret to Growing Wealthy Without Losing Your Money in the Wall Street Roller Coaster (Paperback)
Save space (and $$!) with a two-in-one shower caddy and makeup bag. It will keep your fave beauty products organized, and it's super easy to tote to and from the bathroom. (Dormco Stuff Bucket Bathroom Tote, $14.96, dormco.com)