Having a single supplier is extremely risky for any business, as the pandemic proved with real-world results. And according to the Amazon Business B2B E-commerce in Evolution Report, businesses are very much aware of this problem. The report goes on to say supplier diversity remains a top priority among B2B buyers this year.
http://feedproxy.google.com/~r/SmallBusinessTrends/~3/I5AAB0tLZCk/increasing-supplier-diversity.html