Originally Posted by Noodlesz

Sogo, Wingon, and other department stores are relatively pricey for Hong Kong. If you're looking for something basic just to get you to Japan and home, you can find plenty of luggages on the street. You can get a big basic on for maybe $300 HKD.

Many stores sell luggage on sale these days, and they place them usually right in the front of the store on the sidewalk.