Walmart offers the Medelco Cafe Brew 12-Cup Glass Stovetop Whistling Kettle
. Choose in-store pickup
to avoid the $5.99 shipping fee. (With orders of $25 or more, Amazon
charges the same with free shipping.) Outside of the seller below, that's the lowest price we could find by $2. It's made of thermal-shock-resistant German borosilicate glass.
A close price, Kmart
charges $7.19 via coupon code "SAVENOW" with in-store pickup.