I paid £12 for my eldest one as a hatchling 15 years ago, all the others have been free (actually there was a small "rehoming" fee for a couple of them, about £20 for the two I think).

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2.3.0 Southern Painted Turtles
1.0.0 Florida Red Belly
2.3.0 Common Musks
1.0.0 Classic Cornsnake
0.0.2 GALS + infinite babies
0.1.0 Tibetan Spaniel
1.2.0 Brahma Chickens