It's bad to hear and as in e bay a person can do file is a Non-Performing-Seller report and leave a negative feedback for the seller.If it is possible here then hope they will be restricted from selling or their account will be suspended.
If anyone wants to make money with a website, but don't have a product of your own to sell? Then no problem! You can become an affiliate where you recommend products on your site and earn commissions.
Quality of Article will surely improve seo. Mostly people do duplicate the article in different directories which would not have be good results in my opinion..........
I haven't use amazon still and may be mostly people also don't have use it so that's why people not replying.In other words i can not tell you about amazon.
Social bookmarking is effective way and Directory submission is also good way but it cans make or break your site's ranking. Few tips to avoid mistakes and make the most out of directory link building.
1. Choose the best directories.
2. Watch your competition.
3. Look for topical niche...