1. Name or Brand of the product or links you offer.
2. Price of products and services.
3. Specification of Product and services
4. Benefits of the users and etc.
Just promote your products or links with fully understanding of the target buyers. Also just make sure that price were available to the middle people.
Using the above information is good but i think you should advertise it through google adsense or maybe post your product description on multiple online websites offering goods and services.
That would be better but he should seek for the site who have a great traffic so that his advertisement figures will not be left out emptied as well as if he add the social media promoting I think it is the best way for him to get more fame. Remember executing multiple acts upon promoting is truly helpfull since by doing it you can gain more attention to the people who sorrounds on that platforms.