Just had my annual renewal of creative cloud come up at £50.57 / month
Signed into my account and clicked on the cancel link - then got in touch via their chat threatening to cancel.
At first they offered 2 months then extended that to 3 months free.
Then I mentioned that a colleague had been offered £30.34 a month and asked why his custom was more valuable to them than mine.
(this was offered to him in a separate mailshot - Adobe didn't ask for any more details)
They happily matched the deal - offering £30.34 inc VAT per month for 12 months.