Your Ads. The key to success will be in your ability to get the word out about your classes. Word of mouth will play an important role in your marketing efforts because taking classes is something that friends like to do together. Don’t just rely on friends and family, though. Post fliers in supermarkets, churches, and school bulletin boards. You’ll definitely want to have an online presence so people who are searching your area for such classes will be able to find you. You can establish one by creating a website, and then using digital media to spread your message. And don’t forget your neighborhood as a source of business. Take some time to visit your neighbors, even if you just visit one block a day, and tell them about your new business.
If you’re crafty (and I mean that in more than one way, wink wink), you’ll enjoy Etsy. Handcrafted items are the bread and butter here. Plenty of people make decent side money on the site, which is basically an EBay for crafters and artists. Set up a sellers account with Etsy, and you’ll be asked to set up your virtual storefront and put up at least 5 goods for sale.
Who knew you could be paid to listen to music? Slicethepie is the largest paid review site on the internet that pays you to listen to music and write detailed reviews. How much you'll earn per review varies by the quality of your review. A.k.a. the more detailed and constructive, the better. The minimum payment is $10, so once you've reviewed enough songs to earn at least $10, your money will be sent to you via a direct payments on PayPal.
As for other tips, all I can say is “a penny saved is a penny earned”. If you are running out of ideas to make money, start saving. Some quick “low hanging fruit” tips to save some quick cash include – switch to MetroPCS or Boost for cellphone (I only pay $20/month), switch auto insurance to Insurance Panda ($25/month), and start using GasBuddy (saves me like $100/month at least. I drive a lot).