Are manual grinders generally superior to automatic grinders less than $400?

I've recently learned that most if not all coffee grinders under $2-5 hundred are bad for the coffee bean.

• If it doesn't have a burr grinder, the grind is not consistent.
• If it does have a burr grinder, it probably has a high speed motor, the heat of which is bad for the bean.
• If it does have a low speed motor, it probably generates static.
• If and only if it is a low speed non static burr grinder, will the bean not be negatively affected

...or something like that.

Recently I saw a friend who has a manual burr grinder that he hand cranks, and I figured that it is probably meets all these requirements above while only costing $15-30. Is this true? Are manual grinders superior on all the above dimensions?

If I attempt to purchase one off amazon, is there any specifications I should look out for?

submitted by pythonhalp
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