Amazon doesn't charge tax in California. Source: Me, I buy tons of shit on amazon and live in California. Prime costs $72 a year. I easily save that much in a year, probably double or triple that plus I get free 2 day shipping. I also get the most amazing service from Amazon. You don't get that from Target. Just last week I ordered some DVDs and one of them was missing, not only did I get a refund for the DVD, they refunded my entire order and sent me a link to reorder the item that was missing.