Udemy is an online market place for online education. Prices range from $300 dollars to free. All course are reviewed by other students and can help you decide if a course is worth the money or not. This is also an iOS and Android app available which offers its own unique discounts that may not be shown on the web page. Subscribing to Udemy can provide weekly deals ranging from $10-$20. You can find facebook groups for discounts or even reach out to instructors for deals.
Udemy also offers a way for you to share your knowledge and become an instructor and make money. They even offer free courses on how to make courses for Udemy.
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