How do I cancel my membership with FundraisingFish.com? You can cancel at any time. Simply click on the Resources link on our navagation bar and follow the instructions to cancel your membership. If you are a Cause Supporter, your Cause will remain in FundraisingFish.com and continue to collect rebates. If you are a Fundraising Leader, when you cancel your membership, your Cause is also removed from our databases. Within approximately 60 days, we will distribute all the Cause rebates in your Cause account to your Cause.