Claims that Google plans to sunset Gmail were a hoax, so there's no need to panic
Google confirms Gmail is “here to stay” amid speculation over plans to scrap the email service::Claims that Google plans to sunset Gmail were a hoax, so there's no need to panic
I'm assuming just to host it and send through an SMTP provider? Even in the self hosting community whenever I see someone ask about running their own email server the answer is usually "don't". I think because dealing with SPF, DKIM, and DMARC isn't usually worth the effort.
Yes, I own a domain (it's like 10 dollars/euros per year) and I just point the records to a third party service like ProtonMail or Purely mail (they give you the exact records you need to input in your DNS panel)