I think, You should join Freelancing sites like freelancer.com You can also try fiverr.com, Alternatively, You can try to write your experience for others like

I think, You should join Freelancing sites like freelancer.com You can also try fiverr.com, Alternatively, You can try to write your experience for others like DigitalOcean. DigitalOcean will pay you $100 for per approved article. You can try DigitalOcean here https://www.digitalocean.com/community/get-paid-to-write https://www.digitalocean.com/community/get-paid-to-write And if you are not interested in writing for others or writing as a freelancer, Why don't you start your own Ruby on Rails tutorial blog. A blog can make you more than $500/month by using Google Adsense or Affiliate Marketing. As a blogger, I believe that, Blogging is the best ideas to make money online and the possibilities are endless. But here, In blogging at first you will have to spend around $50. Now choice is yours.....