Text "subscribe (set)", with either the set name or the ID number, to subscribe to a set. Brick Hound sniffs the most popular sets right now, so give it a try!
When Brick Hound smells a change, it'll text you right away with a link to the set. You're guaranteed to be the first to know when a set comes in stock!
Keep track of sets that you're tracking by texting "list".
Finally got the set you were looking for? Simply text "unsubscribe (set)" so Brick Hound knows to stop barking at you about it.