How to set up your own market stall. If you fancy yourself as a bit of a Del Boy, here are some tips to get started with your own market stall. A market stall is a great way to earn a little extra money or even start your own business. Big names like Tesco and Matalan started life on a market stall, so with a little entrepreneurial spirit you could go far! If you’re interested in becoming a market trader, here are a few points to get you started.