A lot, most likely more than you pay for the puppy. Then they only deliver to certain airports, not all internationals. Then you will need to pay ground transport to where you are.
Seriously, your best option is for either yourself or someone you trust to fly to Europe and bring the puppy back. If you play your cards right, you might even get to stay a couple of days.
If you need equipment to maintain control of your dog, understand you’re hanging on to your dog’s body because you’ve lost his mind!