A video interview with Jason Fried that I thought was helpful for startup businesses (there is also a transcript at the link):
Common Mistakes That Start-ups Make | Jason Fried | Big Think.
If you want to open a cupcake bakery, make some cupcakes and sell them at the Farmer’s market for six months, for a year [...]
business
Jason Fried on Startups
Craftypod episodes I found useful
Here are some business-related episodes of the podcast Craftypod that I found the most useful and helpful and gave me new ideas (and reinforced/validated some ideas I already had).
Craft, Inc. by Meg Mateo Ilasco
A review on a great book called Craft, Inc. This book is about starting a craft-related business and covers both the creative and business aspects!