A lot of people are under the impression that the LinkShare datafeed isn't free. It is free to affiliates under certain circumstances. You need to have been with LinkShare for at least 3 months and generated at least 50 orders in the most recent calendar month. Otherwise there is a charge.
Here are the details from LinkShare:
Here are the details from LinkShare:
LinkShare Merchandiser - Data Feeds
LinkShare Merchandiser allows you to get updated individual product links for an advertiser's products. Merchandiser data feeds integrate individual product links on your website without having to create links manually for each product carried by an advertiser. You can retrieve the standardized product files via FTP on a daily basis to ensure that your links and product data are always up-to-date.
There is no charge for LinkShare Merchandiser if you have been active in the Network for at least 3 months and have generated at least 50 orders in the most recent calendar month. If you do not meet the above criteria, there is a one-time, upfront investment of $250 to cover the set-up and ongoing maintenance of your individual and secure LinkShare Merchandiser FTP account.