This is why people end up on Craig's list.
We got our kittens from Craig's list, full of ear mites and fleas as expected. But we avoided the inquisition at the shelter... been through that too many times. Its aggravating, as we know we will provide an excellent home... that said, I understand why the shelters do what they do.
Incidentally, I have to say it was probably more expensive for us to go the Craig's list route though. Even though the kittens cost us next to nothing, we put several hundred dollars into each kitten for shots, ear mite and flea treatment and neuter surgery. So those who complain about the hundred dollar adoption fee for a kitten, with all that done already, might want to know its actually a good deal.