I quit Tidal several months ago (I have Qobuz and generally like it better due to no MQA), and a few weeks later Tidal emailed me a $1.99 for 3 month Tidal Hi-Fi deal. Hard to pass that up so I re-subscribed and then canceled so it would not auto-renew, and used up the 3 months. Again after that closed, they offered me another 3 months for $1.99 via email!
Moral of the story, if you’re looking for a deal on Tidal maybe try quitting Tidal first