Although not presently for Medicare or Medicaid/Medi-cal recipients, #Amazon's new #RxPass may save you some money on generics -- but only if you are a Prime member:
Compare to Mark Cuban's #CostPlusDrug, which tacks on a 15% flat mark-up: https://www.markcubancostplusdrugcompany.com/#:~:text=Cost%20Plus%20Drugs%20fills%20and,with%20a%20seamless%20consumer%20experience.