Apply before December 23rd and you can get 45,000 bonus miles with the Gold Delta Skymiles American Express card when you spend $3,000 in 3 months. The normal offer is for 30,000 miles with $500 spend. The deal is good on both the personal card and business card (both applications here).
You’re not eligible if you’ve had this card in the past 12 months or any Delta Amex within the last 90 days. First year is free, $95 thereafter.