Exactly Nick

@Keith - you're welcome. you need to do it to one list, one batch (somebodies list) or better still test it to cold traffic. 1 mailing is realistic. If you want to test more, test more

@Ethan - you're welcome.
If you have to because your products not approved and worry about % fees!
The clickbank marketplace is huge so no it wont.

@Recky - thats good to hear