Economics and Investing:
Reader Robert A. sent this: How to Make & Use Gold Test Solutions. Robert’s comment: “I recently entered a gold and silver exchange to sell, what I thought was silver, and upon testing discovered that it was a very thick silver plate. Below is a list of solutions used for various testing of gold and silver. I was informed that using the 14 karat gold solution works well for testing silver.” K. in Montana liked this piece over at the Rural Revolution blog: The Economics of Prepping Dan J. flagged this: S&P: $460 Billion Shadow Inventory [of distressed residential properties] …