My client asked me recently if I can get him an extension to file his 2019 return.

I got him an extension in July, 2020 until October, 2020.  I asked him for his stuff in the lead up to October 2020, again in April 2021 when I got him the 2020 extension, again in the leadup up to October 2021 for 2019 and 2020, in April 2022 when I got the 2021 extension, again when IRS announced amnesty for 2019, again in the lead up to October 2022 for 2019, 2020, and 2021, and again in November 2022 right before efiling closed for 2019.

How, exactly, do you fire these people?  If anyone would like a new client, I would be glad to pass on your phone number as a referral.