7 Ways the Pandemic Has Changed How We Shop for Food - The New York Times
https://www.nytimes.com/2020/09/08/dining/grocery-shopping-coronavirus.htmlCostco vs. Sam's Club: What's the Difference?
https://www.investopedia.com/articles/personal-finance/061715/business-model-analysis-costco-vs-sams-club.aspHow To Decide Between A Costco and Sam’s Club Membership — Costco vs Sam's Club
https://www.womansday.com/life/a28066893/costco-vs-sams-club/How to get Costco delivery - Business Insider
https://www.businessinsider.com/does-costco-deliver-2018-3I'm a die-hard Costco fan who shopped at Sam's Club for the first time - Business Insider
https://www.businessinsider.com/costco-vs-sams-club-2019-4Kroger will begin drone deliveries in Ohio this week | Ars Technica
https://arstechnica.com/tech-policy/2021/05/kroger-will-begin-drone-deliveries-in-ohio-this-week/Rancho Gordo New World Specialty Food: Heirloom Beans, chiles & corn
https://www.ranchogordo.com/Sam's Club Vs. Costco Comparison: My Review (Updated 2020)
https://20somethingfinance.com/sams-club-vs-costco/