90% of the people on Facebook marketplace list a little higher than they would take because offers are common and are expected. A simple “price is firm” would’ve sufficed. Unless there’s more above that you’re not showing. As shown, this doesn’t seem terrible. Plus as a buyer, if you’re not really sure what parts you may or may not be missing, I’m going to err on the side of there will be more than just a stake or two to replace.