The author's first point is incorrect. GoDaddy doesn't take a month off the length of the cert. They do start sending you reminders 60 days ahead that say your

The author's first point is incorrect. GoDaddy doesn't take a month off the length of the cert. They do start sending you reminders 60 days ahead that say your cert needs to be renewed in 30 days, but you get your full extra year. I've had the pleasure of doing this dozens of times for our certificates, the last thing we buy from GoDaddy after moving our domain business elsewhere.