One should think about their skills, hobbies and basic daily habits as well. Do you like to cook? Be a personal cook or dinner parties. Baking? Make wedding cakes or cupcakes for weddings/special events. Do you enjoy cleaning? Trying going to banks/repo companies and ask if they are in need of a repo cleaner or market yourself as a all-around cleaner. Know how to mow a lawn? Get paid to do it in your neighborhood. Sell products from large companies – Jewelry in a candle, Sentsy, Health and home products – etc.
Warren Buffett has long talked about how he focuses on creating value through two "buckets:" The earnings bucket and the investing bucket. If you are wondering how to get rich in your own life, you are likely to find that it is considerably easier to raise your net worth quickly when focusing on both of these, taking the same “double barrel” approach Buffett and his long-time business partner, Munger, have made a cornerstone of their empire.
Websites like Care.com connect parents with babysitters. The company does all the background checking and other due diligence to put parents' minds at ease. Of course, you can appeal directly to people in your personal network, but if you're looking to generate recurring revenue sign up with a site marketing to parents looking for child care services.