An unfortunate apartment-dweller thought she had acquired a cool new doormat when her neighbors moved away. Instead, she discovered, she'd acquired a patch of dog urine.。

Redditor Ellieohsnap posted a photo of the offending "doormat" to Reddit on Saturday, along with a note from her  。 Redditor Ellieohsnap posted a photo of the offending "doormat" to Reddit on Saturday, along with a note from her。other 。

neighbors — the ones who filled her in on the truth. 。SEE ALSO:Man quits job in the best way possible 。

Credit: reddit/ellieohsnap。

"The grass 'door mat' you took from our neighbors' 'for free' sale is actually a dog pee pad," the note reads. "A dog used it for a year as its potty spot. Thought you should know."。Mashable Top StoriesStay connected with the hottest stories of the day and the latest entertainment news.Sign up for Mashable's Top Stories newsletter 。By signing up you agree to our Terms of Use and Privacy Policy.。

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Oh... oh gosh. Oh no. A thousand times no.。

Via Giphy 。

Never trust a "free" sale, friends. 。

BONUS: Please behold the Pikapigeon。

View this post on Instagram。TopicsReddit。