Starting a small business requires extensive research and planning. Planning is an ongoing necessity because the environment in which your small business operates continually changes. New opportunities and challenges will arise that are different than those assessed during the start-up stage. Your initial financial projections may be literally and figuratively on the money — or trending in a different and unexpected direction. Here are some planning tips to help keep your small business on track for long-term growth: Revisit your business plan: Your business plan shouldn’t become a “trophy” of your start-up success. Refer to it every quarter or six …