Surprisingly simple ideas to put more money in your pocket. By Rebecca Dolan, Contributing Writer November 22, 2016 Coming up with extra cash to cover your expenses isn't as hard as it seems.See Also: Surprising Secrets of the Millionaire Next Door Substitute Teach Pay varies by district, but substitute teachers can make between $90 and $120 a day. Participate in Clinical Trials Compensation depends on the trial, but payments can range from $50 to more than $1,000. Be a Tutor You could earn $15 to $60 an hour if you speak a second language or have great math, science or writing skills. Model for Artists Typical sessions last three hours, and pay is about $12 to $13 per hour. Advertisement Join a Street Team Earn $20 to $25 an hour by signing up to help promote products and events by handing out samples or dressing as a mascot. Walk Dogs Why not get a little exercise while you earn anywhere from $15 to $30 an hour? Drive Other People According to Uber, drivers' average earnings per hour are about $19. Lyft says its drivers earn up to $35 per hour. Check out all 30 ways to earn extra cash.