How many ezine subs do you REALLY have?

I received a call from a very well-known information marketer recently asking if I'd be interested in being a featured guest on one of her teleseminars.

In order to "qualify" (she called me and yet I had to "qualify"), I had to have an ezine subscriber list of at least 5,000.

I thought a moment and then declined the call — for a simple reason: