The username is "SandraJoyner", that sounds female.
It could be a mad wife/girlfriend trying to hurt and get back at her husband/boyfriend for spending money on a stupid engine.
When she gets the money she spends them all on new shoes
There was a woman doing the same over here a few years ago. The guy had bought a 42" plasmascreen, and she advertised it as "who ever comes first gets it for free". Just to get back at him.
Jan