Rebrickable affiliate or not?

CastleBricks

I've received an order that says "Affiliate Source: rebrickable", yet I am not signed up to be a rebrickable affiliate. At least the check box for this is not checked.

Is this correct behaviour? Does it just mean that the buyer has followed a link to someone else's store before shopping in mine?

Lawrence

The statement at the end is correct.

CastleBricks

I just looked at the fee. I've only been charged the standard 2.5%, so I assume I am not an affiliate. I was just surprised to see it there.