personally iw ouldnt get the best you can just get some sqeekers off of someone you wont need to keep them penned up for more than a week till you let them out
if you spend hundreds on good birds and lose them ur fuked
when i started ferreting i had the cheapest nets possible (i tort myself to ferret)
atb nathan
make sure if you get squekers they can see lots of the sky and the surrondings put them in a small parrot cage on the roof