Hi Craig, I work with the team who made getting push notifications for Favourites possible. We're so pleased to hear you like the feature and have been using it! I can confirm there is a rate limit of 5 notifications per hour, per person while we're in the rollout phase for this work. This is so our systems don't get overwhelmed while we're feeling out how many notifications people want. Don’t worry, we will be raising this in future.  In the meantime, we recommend using push for your most important Favourites if you have a bunch of them, or refining your search down a bit if that's possibl...