Behavioral Finance An amusing and whimsical look at behavioral finance best practices for investors. Related Content When Does Your Personal Car Become a Commercial Vehicle? At what point can you call a personal vehicle commercial? 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice.