I purchase the 2016 version when BB had $300 off. Only 40 days ago. I checked serial number and it has no option to buy AppleCare. I also bought the new 2017 MBP and received today and also see no way to add after the fact. I usually wait until 11 months to buy to save money but I guess that has been changed to 60 days so I was was just going to buy now. Any tips?