I'm in CA, and they didn't charge me sales tax. Also, the $36 Sprint Upgrade Fee is charged by Sprint, and they have no control over that. It'll show up on my Sprint statement. You may want to try and get Sprint to waive it after purchase.
Re the eCard:
2 year contract/renewal is correct.
However the $100 eCard can be used online or in-store. The downside is that you have to wait to get the $100 -- your account must be in good standing to some date in mid-January, then a few days later they email you the eCard code.
Sorry, gotta run for an appointment otherwise I'd dig up links to backup that paragraph above.
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