Well here's an example of one from waaay back in the dark ages of 1988.
The ad describes loads of benefits - and pushes lot of buttons - selling the NOTION of this incredible opportunity. Though he never outright tells you WHAT the opportunity is (except that it's your own business)
Not sure how this would work today ... or what the return rate might be.
Check it out here and let me know what you think.
"Blind" Offer Biz-Op Copy Examples | Free Download for Your Personal Copy Swipe File