I wanted to share the links I found useful on the (original) subject
1- Build a DIY worm composting bin:
https://www.ecoyardfarming.com/wormcompost/diy-stackable-worm-composter/
2- REALLY like the visual on this page:
https://www.working-worms.com/
3- Two from our local gov:
https://dpw.lacounty.gov/epd/sg/wc.cfm
https://www.calrecycle.ca.gov/Organics/Worms/default.htm
4-List of local (LA) worm suppliers:
https://www.lacitysan.org/solid_resources/recycling/composting/worm_supplier_list.htm
.