To buy an item on Facebook Marketplace or a Facebook Store, you must message the seller to arrange the purchase. How to Message a Seller
: Tap Send to send the default message: "Is this available?". buy on facebook store
: Use the Make an Offer button to suggest a price, especially if you are ready to pay immediately. To buy an item on Facebook Marketplace or
: Tap Message to type your own specific questions or offer. Tips for Better Results buy on facebook store
: Say something like, "I'm interested and can pick this up today at [Time]. Where are you located?".