Kum & Go LC and its customers will donate more than $450,000 to Habitat for Humanity International as a result of the company's "Let's Build a Home Together" fundraising campaign in March. The West Des Moines-based convenience store chain raised $262,000 through $1 customer donations at its 420 stores, which it will combine with a $100,000 corporate donation plus another estimated $100,000 to sponsor a Habitat home.