CardUp Promo Codes for Income Tax: Buy Miles from 1.38 Cents
Make income tax payments for 2026 through CardUp with these promo codes to lower your fees and buy miles from 1.38 cents each.
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Nerfed: CardUp Hiking “Promo” Fees by up to 35.8%
From 13 Jun 2026, CardUp is increasing its promo fees by as much as 35.8%, due to an increase in card processing costs. Check out the new fees and how cost-per-mile will be affected.