I’m seeing some 110,000 Membership Rewards points signup bonus offers for the Business Platinum Card from American Express this morning. The welcome bonus is usually 85,000 MR points. You can earn this bonus after spending $15,000 on eligible purchases with the card in the first 3 months. The welcome offer is not available to applicants who have or have had this card in the past. So if you’ve never had the Amex Business Platinum before, now would be a great time to apply. Getting the 110k Point Offer Getting this offer requires some effort. You need to use someone’s referral link (feel free to try mine if you don’t have…