I would agree with your friend. I typically do pour over, and getting a nice grinder was a huge upgrade for the coffee flavor. I also only use filtered water. N

I would agree with your friend. I typically do pour over, and getting a nice grinder was a huge upgrade for the coffee flavor. I also only use filtered water. Next is fresher beans. Frowned upon I'm sure, but for espresso a machine like Nespresso or L'Or has worked fine in a pinch.