Sends notification emails for the subreddit buildapcsales. Users can submit keywords and product names to search for specific products that they want to monitor. When a new post contains that keyword is submitted, it will immediately send a notification email to the user. This allows the users to not have to keep checking the subreddit for new products they want as well as allowing users a better chance to be able to purchase the product before it runs out of stock. The submitted are not case sensitive. If you submit "gtx970" as your keyword then then you will receive notification emails for any posts that contain "GTX970", "Gtx970", "gtx970" etc.