The phrase "amazing value" means that something is worth much more than what it costs. It implies that you are getting a great deal or bargain for your money. Full definition
We almost always get 2 seasons (2 spring / summers or 2 fall / winters) out of our beans, which means we get amazing value for the price! (peekaboobeans.com)
She offers amazing value on price, quality and exceptional service. (vietvaluetravel.com)
The kind of sale where you are getting something of amazing value at an irresistible price. (misamephoto.com)