As with most low-cost options, everything is great as long as you follow the happy path, but as soon as you need anything different, all bets are off. In my case, I realized that due to a weird refill schedule at my previous pharmacy, I was going to run out of one of my four medications towards the end of a three-month overseas trip. On my doctor's advice, I emailed CostPlus on Tuesday to see if I could get an early refill, and only just now (Friday) got a response directing me to call Customer Service and press the number for prescribers. Finally talked to a representative, then a pharmacist, who said he would see what he could do, but I'm concerned the refill won't reach me before I leave in a week. Three stars because they're good as long as you don't need anything special, and because I did actually finally manage to talk to a human who could help. Just make sure you deal with them well in advance and have a backup plan in case they're too slow.