Hate couponing? Lower your grocery bill without couponing - it's "old school" but it really works. Learn how to make a grocery store price book - Resources (links) for printable grocery store price sheets included in post.
Good idea to do for your kids! Put $20 in a photo album once a month and then give it to them at there graduation. Adds up to almost $4,500! Keeping it a secret would be hard but we think that would be the funnest way!
Freeze green onions in water bottles - shake out the right amount and return to the freezer! Handy Tip - I always end up buying so many green onions and recipes never call for more than 3 stalks :P (Make sure the onions are dry before going in the freezer to prevent the freezer burn)