The Mulan / Mulan II (Blu-ray + DVD) is on sale right now for $22.99 at Amazon. That's 43% off the list price of $39.99!
The Mulan / Mulan II on DVD is also on sale for $16.99.
Shipping is free with Amazon Prime or if you spend $25 or more.
See all posted Amazon deals for more savings! Remember, Amazon prices flip fast. If you see something you like at a price that works for you, you may want to buy it in case the cost goes up.