40,000 Sapphire app
50,000 ink Bold Charge card App ( same day)
50,000 other Ink Credit card ( 90 days later)

Have spouse do the same.
Add in minimum spend = 300,000 plus Ultimate Reward points.

Take the thank you points already in hand, maybe add a few to sweeten the pot , and trade someone for 100,000 UR points.

Now meeting the minimum spend for all these cards is another challenge, but that is a topic for another thread.