Couple things
-- When Tommy asks his dad for $5.00 at the breakfast table, that would be the equivalent of your kid asking you for almost $50.00 today (2015). Yowza! Even growing up in the '60's, a quarter was a huge deal for a kid that age as you could get a Coke and a candy bar for that much.
-- Product placement: prominent box of Wheaties on the counter in the kitchen during the breakfast scene at the beginning. I thought they had made a special box to make the name stand out, but no, that's what it looked like then. http://vaiden.net/wheaties_cereal.jpg