I dunno... At least he's DOING some service (gathering the parts) That other "blister" (good one 'Yotee) is just photo-copying (or printing) someones elses instructions!
Seems he should include *all* the electronic bits though if he's calling it a "kit" - Then it would maybe be worth the extra $$
Its funny in a way but just remember that there is someone out there who really doesn't know any better and will buy the guys stuff at a crazy price. Just goes to show you, there is a sucker born every minute. DC