try SEO(search engine optimization) very little math needed, if any at allAnymore tips for an 18 year old?
google offers free study material and a free exam that can get you a cert.
becoming AdWords certified will help you land jobs in SEO, digital media,
digital advertising, and you can also do freelance work if you have any
entrepreneurial bones in your body. Also check out this
http://moz.com/beginners-guide-to-seo
all this stuff you can learn with very little financial cost, it comes pretty
easy if you are willing to put in the time and use proper study techniques.