Medicines that you take by mouth are called oral medicines. Refills: See if you can set up automatic refills or order as needed. The generic versions are just as effective and much less expensive. Tadalafil Cialis. It’s best to check your chosen provider’s site for more information. It might work longer if you have mild to moderate erectile dysfunction.Where can you safely buy Viagra or Cialis online?: r/AskReddit • by Pill_Looks View community ranking #2 in Largest Communities Where can you safely buy Viagra or . · I can’t afford to buy Viagra at what my harmony charges ($22 a pill). My insurance will only cover 3 pills a month. Anything after that is literally $50 a pill according to my pharmacist. I can’t afford that. Is there a safe/reliable place to buy generics? BrazenRevolutionary • 3 yr. ago. Get Cialis instead. It takes a bit longer to get into your system but it’s easier on the heart. You won’t look like your head is about to explode when you get an erection. You still get the same benefit.