Discussed at the time: https://news.ycombinator.com/item?id=7506270
The top comments on that thread discuss the importance of owning your email address by way of using a custom domain, so you can move to a new providers and not worry about losing contacts or missing emails. I fully agree with that. Back in 2014, both Outlook and Gmail had free family plans with custom domain capability, but have since removed those options. Is there a good low-cost option for custom domain email in 2…
This way, if Google mail goes away, you can pick up another free email provider to relay mail through in the future (assuming everyone else also allows "send mail as").