https://www.forbes.com/sites/lisakim/2022/01/20/billionaire-mark-cuban-opens-online-pharmacy-to-provide-affordable-generic-drugs/?sh=402e1a733e4a
For example, the leukemia drug imatinib is priced at $47 a month on MCCPDC compared to the $9,657 retail price.
https://costplusdrugs.com/medications/
I think the patent protection for imatinib ended in the last year or two.