Microsoft cofounder Bill Gates and Twitter CEO Jack Dorsey have one thing in common — they both taught themselves to code.
$4 can be a very lucrative skill, and learning languages like Perl can earn you a $4 of upwards of $80,000 a year. Some coders have even landed $4 with only a few years of experience. Whether you're a complete beginner or a pro, there are a number of resources you can use to $4 from the comfort of your couch.
Business Insider compiled a list of resources for coders of every level.
Business Insider regularly interviews experts about learning how to code. $4
Learning to code for beginners:$4
Best online
How to learn top coding languages: $4
Coding classes from Harvard: $4
Bill Gates' favorite free courses: $4
Learning to code to land a six-figure job: $4