How important do you think a bottle sterilizer is?

Pj`s mama • DUE DATE : 1-4-16 👶🏻 Preston James
I have been debating between buying the Dr Browns bottle sterilizer where you can sterilize up to 6 bottles in 12 min plus you can also add pump parts and pacifiers, nipples, etc.
My mom thinks I can just use boiling water... Was wondering what you thought. 

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