Originally Posted by Speigelau

That's great that CB helped you keep this whale and kudos to you for writing that email to them. I've lost a lot of whales over the years and never thought about sending CB an inquiry, mainly because I promote CB 100% via white label. I'm assuming you are not promoting via a white label, if the spender had decided to create a new account while on your white label then you would have retained the referral.

Maybe you answered this, but how could you "know for certainty" that the spender was continuing to spend even after your stats reflected no new spends?