Most people don’t think about saving for a home until adulthood, but what if you could give your child a jump start? The “coffee can” investing strategy promoted by Kansas City financial analyst Matthew Ankrum , paired with a weekly allowance can help you do just that. With the “coffee can” strategy, you buy stocks from quality companies that show consistent long-term growth potential, put the stock certificates inside a coffee can, and don’t touch them for at least 30 years.