For example the copywriter uses lots of specificity of past successes for proof elements. (He also makes a small blunder - in my opinion - by using a "convenient" round number for one of his claims)
One thing you may recognize is he uses the "Joe Karbo" risk reversal. After Joe's success with this it got quite popular for a while.
Check out this excellent copy example for your copywriting swipe file. (No opt-in needed to view this copy sample of download the PDF)
Here's the link: Gambling Copy Example | Picking Longshots Method | Copywriter Swipe File