What certifications or licenses might you want or need?

Check the cottage food laws in your state:
https://cottagefoodlaws.com/

Maine Organic Farmers and Growers:
https://www.mofga.org/courses/organic-orcharding-classes/

Tillers International:
http://www.tillersinternational.org/

Handweavers Guild Certificate of Excellence:
https://weavespindye.org/certificate-of-excellence/

Master Food Preserver Courses:
https://www.healthycanning.com/master-food-preserver-courses/

Permaculture Design Course:
https://permaculture.org/courses/permaculture-design-course-regen-land-mgmt/

Strong Towns:
https://academy.strongtowns.org/

Livestock Judging Association:
https://www.livestockjudges.org/

Rogue Food Conference:
https://roguefoodconference.com/