How much money could I save from Billshark’s services? April 22, 2020 20:52 Updated NerdWallet members save up to $60 a month on their bills. Comments 0 comments Please sign in to leave a comment. Related articles How do I cancel a negotiation with Billshark? How much does it cost for Billshark to negotiate my bills? Can I negotiate my own bills instead of having Billshark do it? I'm new to using NerdWallet. How do I get started? How can I pre-qualify for a personal loan through NerdWallet?