sounds like an obvious scam... he does a 100% guarentee... that should be your first clue because sure the eggs may be fertile but there is always a chance the baby could die before hatching
Personal Example:
I own fancy pigeons and had a clutch of 2 eggs scheduled to hatch within 1 week. 1 baby died inside the egg for unknown reasons and started to decompose by the time the second age hatched
I can understand a 100% money back guarentee if a shipment arrives sick or an animal dies shortly after arrival but offering a 100% guarentee on shipped eggs :colbert: