A good number of ways are available to make money using YouTube.
Create a channel for your product. Create a Video for these products. Use annotations to create links to other sites that have monetized the product.
By connecting your YouTube channel to your AdWords account, you can get Adsence revenue. Improve on this by putting your videos on Traffic Exchange websites and earn more Comments, Shares and Likes.
Hopefully you have got basic concepts to earn money on Youtube.