Not sure if "best", but I've been using sidereel.com for a while. Source: almost 2 years ago

If you’re able to use a generic, check the price at Cost Plus. Source: 7 months ago

Mark Cuban has an online pharmacy that is supposed to be very cheap. Obviously not for everyone. Source: 7 months ago

I'm not posting this to r/medicare because if you get medications at online pharmacies, it's usually because they're not covered under Medicare C or D. I've tried Mark Cuban's costplusdrugs.com which for me was a waste of time. Do you buy from a Canadian mail order house, or are you just using GoodRx? Is there a reason you chose the one you use? Do you worry about where the drugs are made and whether there are... Source: 7 months ago

Phone bill - If you haven't already, look at prepaid, it is significantly less than a plan. If you get SNAP, you should also be eligible for monthly help with your phone and internet costs. Also sign up for the Lifeline government program, which can help pay your phone and... Source: 8 months ago

If it's a non-stimulant like Strattera, I would recommend checking on CostPlusDrugs. They have Strattera for as low as $9.20 a month and Wellbutrin for $6.80 with a flat $5 shipping rate for all orders. It's a mail order pharmacy, and you can request refills online so long as they're already approved by your provider. Unfortunately, they don't do controlled substances (so no Ritalin, Adderall, concerta, etc),... Source: 10 months ago