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
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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。