If you are being only activating it with $25 you would then only spend $4.95 to order total of $29.95.
Although, this can actually not be looked at a "bargain" since a reward point usually equals 2 cents also $25 gift card usually requires 3000 to 5000 reward points. https://gazislogistics.gr/index.php?option=com_k2&view=item&id=2