Check out the Hobbies & Crafts Reference Center. This collection of magazines, trade journals, blogs, videos, etc. offers a surprising amount of resources for makers, performing artists, collectors, and other creative entrepreneurs. Try searching for your topic + keywords like “business” or “market”, etc.
Entrepreneurs perceive opportunities and pursue them by creating new businesses or organizations, or propelling organizations in new directions. Innovators solve problems by designing, building, and delivering services and products in new ways. Small independent businesses comprise the vast majority of firms in the U.S.
Source: The U.S. Small Business administration