UPDATE: This offer is no longer available. Thanks to ChetHazelEyes over at Reddit Churning for the alert about this fantastic offer. Apply now for the Personal Platinum Card from American Express and get 100,000 Membership Rewards points after spending $3000 with the card in the first 3 months. This offer is not available to applicants who have or have had this product in the past. The link to this offer can be found here. It takes you to the landing page with all the offer terms spelled out. Note that, as usual, the $450 annual fee is not waived the first year. Main Platinum Card Benefits I consider the Platinum Card to be…