There’s something fun about the idea of a gazillionaire taking up the DIY craze by doing such things as organic gardening and making his own cigar box banjos. He explores the many benefits of knowing how to build things, modify things, and create things out of the odds and ends most people toss out for the trash collector. It’s clear from the introduction that boingboing founder Mark Frauenfelder never read The Sex Life of Cannibals, a wonderful book about what a living hell the islands along the equator are. Mark and his wife decide to move with their two small…