When you go to buy a new car, you expect the salesperson to try to upsell you. They want you to add some options or a protection plan. You can expect the same when you go to the department store to buy a new shirt or some pants. Back in my retail days, they called that selling multiples. But I never expected my pharmacist to try to upsell me. Yesterday, when I finally was able to fill my eye drop prescription, the tech kept pushing me to schedule a Prevnar vaccine. They strongly recommend that everyone over 50 get one. And when I say strongly, I’m serious…