Check out the Boston.com story in which I originally wrote about my money saving habits:
http://www.boston.com/business/personalfinance/articles/2008/0
7/20/with_a_bit_of_creative_savings_5_can_get_you_at_least_12000
Other links:
Five Dollar Fortune, Today Show (Australia) – https://vimeo.com/242495638
http://www.businessinsider.com/i-saved-almost-36000-in-12-years-by-using-one-simple-trick-2015-8
http://www.getrichslowly.org/blog/2008/07/21/turning-5-into-thousands
http://www.popsugar.com/smart-living/Woman-Saves-12000-Collecting-Fives-1802540
http://www.wisebread.com/5-savings-tricks-you-havent-tried-yet