Yet Gatsby reminds us that the dollars aren't always enough. As we learned from Audrey Hepburn in My Fair Lady , you can put on the dress, but you still aren't going to know which fork to use. Especially if you're bootlegging to make the money for the dress. Even when they have the cash, newly made millionaires are still knocking at the door for the accepted elite to let them in. If the concept of the nouveau riche (the newly rich) has gone by the wayside, the barriers to the upper echelon (education, background) certainly haven't.