Searching For a Real Work at Home Business

I need to find a legitimate home based business. I’m a high school teacher who desires to make some money part-time. I feel the best option for me is to find a work at home business since I need to work on this at odd hours. I wish that anyone could tell me the best way to go. Over the last few weeks, I’ve considered several online business ideas, but I haven’t found one that I really like. I need something easy to do. I’m not an expert in anything, however I’m anxious to learn whatever I need to.