citigold 可以用CC(Barclay Arrival Plus) fund，也可以再加一个savings plus，也
可以用CC fund。
You can fund the checking for up to $100000 and then fund the savings for up
to $100000.
For me I funded my checking for $20000 and savings for $20000.
Got $800*1.1 = $880 travel credit in my Barclay Arrival Plus account.
