I have applied and received 15 AX cards. To the best of my knowledge, it is very difficult to churn AX cards. AX will not give you the same card product bonus twice.

AX will do the following.

1. Approve you for multiple different AX card products and give you bonus points.

2. Approve you for multiple AX cards of the same product BUT will not give you the same bonus. The caveat is -- If the first card had a 10,000 point bonus and the second card had a 25,000 point bonus, AX will give you 15,000 for the same card since you only got 10,000 points the first time.

My advise on AX is to apply for multiple different card products and collect the bonus points on each card.