Marcus is offering 1% bonus interest for 3 months when you use my referral link above. It states 0.25% for 3 months; which is the equivalent of 1% annualized. This gives 4.9% interest for 3 months. The highest interest rate offered online.
There is a 150k bonus point offer for $8,000 spend in the first 6 months on the Amex platinum Card.
You most open the link in INCOGNITO mode to see the 150k offer.
You can use this referral to get 75k bonus points after $4,000 of spend in the first 3 months. Keep in mind additional authorized users are eligible for a full priority pass and are free of charge making this one of the best cards for those that travel regularly.