Back in 2013 Harold Pollack, a social scientist at the U of Chicago, while interviewing a UK personal finance writer, Helaine Olen, struck upon an idea that all the Personal Finance advise you ever need could be written down on an index card.
After blogging about this idea, and getting requests from readers, he actually set down his 9 rules for Personal Finance on a 4 x 6 inch card.
The article I read about this can be found HERE.
This has proved so popular that he and Olen have collaborated on a book called The Index Card: Why Personal Finance Doesn't Have to Be Complicated which came out earlier this year. I guess personal finance wasn't as simple as listing 9 points on an index card after all, since they seemed to need to explain/elaborate a full book's worth of information. ;-)
Here are the original tips Pollack wrote out--