If you're a fashion lover, starting a clothing line should be one of your long-lasting dreams. Most important Tips to Starting a clothing line -branding, product development, personnel management, manufacturing, marketing plans, financing, etc. They should already understand that it's not as simple as people think. You have to deal with a lot of things that aren't related to fashion, like financing, marketing, and personnel management. But you can be sure that once you have your clothing line up and running, you'll be able to focus on what you like to do the most.