Thanks for the info., Mike. Not only have I gotten e-mails just like the one you received, I also received a few from PayPal (an eBay Company). Here's a few tips if you are unclear if the e-mail is actually from PayPal:
That's correct, Rob. You can call me Phil/Walter -- whichever is most convenient for you.
Since it's so hot here, I think I'll take a swim in the water.
That's correct, Rob. Once you select the plan you want, there is a link on the top that says 'Click here to purchase a domain name!'. As Rob said, it would be a good idea to register for a domain first, then order the hosting.