I need a burr coffee grinder for $50 or less. Any recommendations, please?

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Life is what happens when you are making other plans. (John Lennon)

I hear good things about the Capresso Infinity.

Hey you could try the De'longhi electric coffee grinder... It costs around $30 and the blades are durable and long lasting..

The Capresso Infinity runs for around a hundred bucks, so it might be out of your spending budget. In fact, all the highly rated ones run for around that much or more. Cuisinart and Krups make burr grinders for around fifty dollars so you might want to check that out. Amazon has some for sale with free shipping and a good amount of reviews from people who have purchased those models. I think those brands would be your best bet.