Apply for another credit card, such as The Nest. Reallocate your credit limit to put maximum amount on The Nest, minimum amount ($1,000) on SPG. Cancel SPG. Reapply. Change billing date. Reallocate limit to fit actual usage.

Inasmuch as you already have Green charge card The Nest is worthwhile. No annual fee. Points treated as regular Membership Rewards if linked to existing Membership Rewards card. 5,000 point activation bonus. 10,000 point annual bonus for $15,000 calendar year spend. We use The Nest for recurring household expenses, such as telephone, cable, newspaper, dry cleaning, etc. The physical card seldom leaves the house.