High-ticket consulting or coaching: You could sell your own high-ticket consulting or coaching products from your website. You'll still need a website, merchant account, sales funnel, lead magnet and many other items. But you can easily earn a substantial amount of money from each individual customer, making it well worth the arduous setup required.
I personally like this one for some spare cash. It does not take much to earn an extra $20 – $50 a week. Some claim that they are able to make a living by dedicating their time to different jobs at mTurk. You will have to go through a learning curve, but once you get comfortable, you will find plenty of good and interesting HITs (Human Intelligence Tasks) to work on.
Okay. So visual artistry isn’t your thing. You can always try web development instead. If design is the facade of a website, development is the structure. The web developer is the guy who engineers the code that makes websites work. Codecademy (19) offers inexpensive online courses that will give you a solid foundation in web development in as little as a few weeks.