What's your niche? How many visitors per day you get. Is your content unique and not similar to others online? Because people can go to sites that are more famous than buying at you, unless if they get some extra information. After you reply, we can help more.
none of your product links are working i get an error when i click on them and your site needs some basic search engine optimization.
Sorry, it is very hard to work out what sort of help you need. Please try explaining properly, may be we can help. And be specific if you can.
There are tons of ebooks and tutorials about working with Amazon. Just get one and follow it closely. Not many people would be willing to guide you through all the process.
First of all, you need to help yourself before asking anyone else to help you. Google might have given you the answers if you had looked for it. Anyway, there's one thing you could try: http://www.amazon.com/Complete-Guide-Associate-Affiliate-Programs/dp/0071353100 ,the used ones start from $5. Not much, is it? Check the e-books section on here, check MMD, check Warrior Forum and their Special Offers. Good luck.