(100% free)

Keep an eye on their social media for "Class Challenges" where winners receive free lifetime access to specific illustration modules. Top Illustration Skills You Can Learn

If you need full-length courses and cannot afford Coloso right now, consider these high-quality free resources:

Keep an eye out for major holidays (Black Friday, New Year, etc.) when they often offer "Buy One Get One" deals or heavy percentage discounts.

Don't let the specific subject matter fool you—this illustration class is a hidden gem for learning product rendering. The instructor’s attention to detail is insane, and the breakdown of lighting on reflective surfaces was exactly what my portfolio needed. Clear audio, high-quality video, and a very generous approach to sharing industry tips. Highly recommended for anyone wanting to polish their digital art skills!"