Yup. Microsoft let hotmail lapse once. Someone paid for the renewal for them. https://slashdot.org/story/00/01/18/1645224/microsoft-hotmail-domain-reward-check-on-ebay

And use the Content-Security-Policy header to limit where scripts can load from, just in case you miss escaping HTML somewhere.

Don’t know how you do it in Android, but in iOS you can tap share and then add to home screen to, well, add a website to your home screen.

I second this. I like my Noctigon KR4 with a boost driver… which is more or less the D4V2 with a tailswitch.

If I were doing it over, though, I’d probably get the D4K instead. Only a little larger than the D4V2 and KR4 with longer battery life since it has a larger battery. Not that I’ve ever needed more battery life…