Comparison between private breeders prices in France/UK/USA

Hello all,
I would like to make a comparison between the prices of private breeders in the UK and in France.
So I would be glad to get an average price for the following species.I put between brackets the prices here in € (€1=more or less £0.65 or US$ 1.25).

(Prices for babies,not for adults)

Normal cornsnake (10-25€) :
Californian 50/50 Kingsnake (35€):
Royal CB python (50-70€) :
Carpet python (100€):
Red-tail boa baby (80€):
Hognose snake (40€):
Green tree python (from 450€):
Yellow anaconda (100€):
Mexican Kingsnake (65-80€):
Kenyan sand boa (100€+):
Garter snake (30€):
Burmese python (70-100€):

As for lizards:
Leopard gecko,normal "wild" morph (from 15€) :
African fat-tail gecko (€40-50):
Beardie (from €10-20):
Madagascar day gecko (€45-60):
Crested gecko (€50-60) :
Bosc monitor (35-45€):
Nile monitor (100-150€) :
Spiny-tail monitor (200€):
Leaf-tail geckos (100€+) :
Flying gecko (30€):
Tokay gecko (from €15):
Spiny-tail Morrocan Agamid Lizard (from €90):
Small day geckos species (from€60):
Helmeted gecko (€75):

Of course I ask for the private breeders'prices and those in the herp events,not those of your pet shops.