$150 GC with Samsung Galaxy S8 / S8+, No Activation Fee until April23, @ Sams Club

Link
$150 GC Valid till 05/08/2017
No Activation fee between April 21-23 2017
Sam’s club GC can be used at Walmart.
If you contact your service provider, they will also waive the upgrade fee. I did that for my iphone 7 when I bought it at Sam’s club last year when they were running a similar promotion.