There are some useful tips there and I'll add another link (not an affiliate one) for those who like the idea of a Clickbank feed but either can't afford or don't want to pay for the service. (This won't serve Amazon or Ebay) You'll have to give up an email address but that's it.
It takes a few seconds to grab your chosen feeds by category and keywords if you choose.
Simple, free and it works.
Ambatch Clickbank Feeds Delivered By RSS
Mo