Hi there! 
Dutch people are infamous for complaining a lot. Well, I am no exception to the rule!
Today, I will teach you a couple of useful words/phrases to express your disappointment with a product that you might have bought recently.

1) Schandalig (such a shame!)

2) Afzetterij (such a rip off!)

3) Nooit meer kopen (never buy it again)

4) Teleurgesteld zijn (to be disappointed)

There is a 5th bonus in it too which I did not explain in the video

"iets aan je pet hebben hangen" , it is a colloquial way to say "Well, Well, What do I got here/What's going on here?"

The link:  https://www.youtube.com/watch?v=s65eLI0Vrqc ;

 Hope you enjoy watching and learn something :)