Use automatic savings, try for 20% Huge
Use tax deductible investment accounts Huge
Use lowest cost mutual funds 1% compounded forever
Smaller, more efficient home
Least expensive long term car: Used car is best, ownership costs of new: internetautoguide.com (does new car quotes, listing of used cars); least expensive cars to buy: Article
Not buying certain things - strategies
Spend only in discount stores, learn where to buy cheapest
Groceries: Cheapest grocery source, with coupons, what not to buy
Higher deductibles on insurance
Pay off credit cards! (Deductible home loan instead, is smarter, cheaper, and tax deductible)
Credit cards - How to use for best payback Benefit: $200 - 1000
Credit card - lowest borrowing rate
Make it less effort:
Autopay all bills - if necessary, keep extra $ in account
Accumulate all non-urgent buys on a list and then do all at once (interestingly enough you'll find yourself deleting some things); you'll route yourself more efficiently.