What other product can you purchase, and have the price change after you purchase the product? Housing, stocks, commodities, pokemon cards, electronics. It's

What other product can you purchase, and have the price change after you purchase the product? Housing, stocks, commodities, pokemon cards, electronics. It's not a matter of education, IMHO. You're right, it's a matter of discipline. We can tell people to not play the lottery as your expectancy will never be positive, but they'll still be there, scratching the foil off with car keys. Note that the deceptive business practices don't help with enforcing discipline.