(UPDATED) Today's too-good-to-be-true Facebook scam is a $100 or $1,000 gift card from Costco:
Word to the wise: NO SUCH OFFER EXISTS!
Here's another version:
If a posting like the above appears in your newsfeed, don't click on it. Doing so will cause the same blurb to appear in your profile, and replicate in all your friends' newsfeeds, and you will NOT get a free Costco gift card for your trouble.
Learn to recognize a Facebook scam:
• How to Spot a Facebook Survey Scam