I have been turned off several times myself by people overselling their products to me; the only way to get me interested is to keep it short and simple.
All people want to hear is "what's in for me?" If you're able to give them that straight answer then you have won.
Never exaggerate; always keep it interesting and fun. Do not forget to mention free gifts because that's what they want to hear. Mostly be realistic and offer to help anytime.