Investments in tangible assets offer a unique set of opportunities and problems, often related to limited supply (so that price becomes especially sensitive to changes in demand). Learn about the techniques of investors who have succeeded (and failed) with this special class of investments.The Secrets of the Great Investors series is a collection of presentations that explain, in understandable language, the strategies, tactics, and principles that have produced great wealth, and how you can improve your financial future. History's greatest investors used powerful investing philosophies to produce superior results, and you can learn from their successes and mistakes.