If you want an Amazon deal without signing up for the email list or following them on Twitter then you can use this recipe. You can also change the search for field to narrow down your search. e.g. If you're looking for a new TV then add "tv" to the search field.
If
New tweet from search
This Trigger fires every time a new tweet matches your search query. Limited to 30 tweets per check, and protected tweets will not be returned.
Fewer details
Discover more time saving integrations for Pushbullet and Twitter