New Zealand in the late summer, from February to April, is the perfect time to visit. The crowds thin out, the weather stays warm, and the landscapes are at their peak before the autumn chill settles in.
For a trip that costs around $7200, most people don't pay it all at once. If you use the Discover it® Cash Back, you get a 0% intro APR for 15 months on purchases. This gives you a clear window to pay off the cost in monthly chunks.
Remember that the 0% intro APR is just a window, not free money. If you have a remaining balance after those 15 months, you will start paying interest on whatever is left, which gets expensive fast.