The fee to purchase a Walmart Gift Card depends on the amount you're purchasing the Gift Card for so the more you buy the Walmart Gift Card for the higher it costs.
For a $25.00 Walmart Gift Card the Fee is $3.44.
$50.00 Walmart Gift Card the Fee is $3.94
$100.00 Walmart Gift Card the Fee is $5.44
$200.00 Walmart Gift Card the Fee is $5.44
So the higher amount you buy the Walmart Gift Card for the higher the fee is to purchase the Walmart Gift Card.