Buy 2 Samsung Galaxy S20 and get a $900 Master Card when adding a line.(Any Plan works!)
Costco is selling the S20 for $899
Also Pre-register by 2/27/2020 and also get $100 Samsung.com credit.
They also have a deal for $500 master card by Trading in a S9 or newer Samsung phone without having to add a line.
https://membershipwirel