They want to gift you, but they not would love you thinking them cheapskates.
So if you're only activating it with $25 then you'll only need to pay $4.95 for a complete of $29.95. However, watch out for the risks and hidden cost with your gift card. https://Groups.google.com/g/giftcard-mall-my-gift-info/c/lJb4jNQqwjY