Cut Your Work in Half and Double Your Sales. Guided by famed marketing consultant and bestselling author Perry Marshall, learn how to save 80 percent of your time and money by zeroing in on the right 20 percent of your market—then apply 80/202 and 80/203 to gain 10X, even 100X the success. With the power-packed content along with bonus online tools, ‘The 80/20 Power Curve’ and ‘Marketing DNA Test’, you possess the power to: Slash sales and marketing time-wasters; locate invisible profit centers in your business; advertise to hyper-responsive buyers and avoid tire-kickers; gain "Pareto principle" positions on search engines; differentiate yourself from rivals; gain esteem in your marketplace.