Back in 1968, the cost of a new home in America was US$$26,600 when the median household income was US$7,743 and the cost of a stamp was US$0.05 and a gallon of regular gas US$0.34.
Those were the days when the cost of hiring an English Channel pilot and his boat was US$200 an attempt according to this 1968 Sports Illustrated article on The Channel Is The Place To Suffer.
Photo shows Greta Andersen with trainer