Thanks for the advice, everybody

@Squamish: I'm in Kelowna, and the store in question is The Purple Seahorse.

I totally understand the reasons not to buy it. And thank you for reinforcing my doubts. Actually, I found a group of proven breeder females for sale locally, for $250 each! Would you say one of those is a better deal? I know they're really expensive for Normals, but keep in mind I'm located in Canada. Everything is more expensive here...