In Paris, Romancing the Deal: "Paris appears to be a more solid investment than, say, gold. In the third quarter of 2000 the average apartment in the Sixth Arrondissement was 460 euros a square foot, in contrast to the 655 four years later."
Investing in Paris is a much better strategy to invest my retirement funds than my current habit of playing blackjack on my phone. Apparently, I do not when to hold them OR when to fold them.