Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: USELESS!!!

Bought 4 and all four were NOT successful. The ONLY thing worse than having a mouse in your pantry is walking in after a bunch of traps go off to a see all 4 baits gone and the traps EMPTY! Unbelievably useless. How does this company stay in business with no 'repeat' customers. What's equally as frustrating is how HARD these were to SET! It took my husband about 20min to set 4 traps. What a waste of money and time :-(