I don't know it it was shared here, I just found it online.
https://www.udemy.com/online-t-shirt-design-business/?couponCode=LIMITEDX
Shared here
http://bestblackhatforum.com/Thread-GET-Start-an-Online-T-Shirt-Business-at-Zero-Cost-24-FREE?pid=1342147#pid1342147
The course was shared previously but the free link had expired, this one works fine, thanks thefallenone, +Reps Added.