The world economy is on the brink of collapse, and Amazon sellers are worried. Why are some brands thriving while others struggle to survive?Sure lots of it depends on whether you're selling survival or outdoor recreational items, but as Andy Arnott points out, there are other things Amazon sellers can do as well.With his wealth of knowledge as a long time Amazon seller and his mass of data from his software company Seller SEO, he shares his best tips for recession proofing your Amazon business.