Usage
Both the component and the full joomla install contain example feeds and menu configuration. Have a look before removing them.
Configuring feeds
See this article
Importing the product data
After configuring a feed the data can be imported using the 'cron' menu or by clicking on the 'last update' date in the feed list.
Creating datafeeds menu's
Setting up automatic feed updates
See automatic import for details about cron's.