The one problem with the 90/10 rule (although it is very true).
Those non-performing affiliates may send a lot less traffic, but add them all up at the end of the week or the end of the month.
They have helped IMENSELY with Branding. Those thousands and sometimes millions of extra impressions is what gives some of the 10% their conversions.
This also works both directions, sometimes it is the branding from the 10% that will give a conversion to some affiliates in the 90%.
So it appears that the Affiliate Properties need them both.
Rick
Universal4