When you learn that baggage handlers are called “throwers” in some places, you realise how much your luggage needs to endure. It’s worth considering that, although it might not see as much use as you’d like, you’ll use your luggage several times. It’s better investing in something durable (and stylish) from the get go.
Things to check—if it has wheels, how robust are they? How strong is the handle? How easily does the case dent or scratch?