So I bought mine at autozone
submitted both online using my phone and uploading a pix of my receipt with the product circled.
easy as pie. Cheapest synthetic oil I have bought ever if the double dipping deal goes through.
1 per household though. But no fear, I'll buy more for storage and using my dad house, my friend's house and my other houses that other people lives in there. Just gotta tell them to look out for the landlord's mail.