My free course on Adobe Illustrator and Adobe Photoshop http://courses.robcubbon.com/p/real-world-graphic-design-adobe-photoshop-and-illustrator A practical demonstration of how to use the Adobe Illustrator software in your t-shirt design business. Merch by Amazon is a great way to make passive income. All you have to do is upload a design and Amazon will print the t-shirt, send it to the customer and pay you up to $7 profit each time!