Yeah they are generally not very healthy but i was at a name brand store this week on 72nd and i was actually pretty impressed for once. But Bob is your man in Omaha if you want a quality gecko.
Haha hey man I'm from Omaha, You should talk to Bob he's got an awesome collection and i've bought several from him. His name is Knobbs on here or you can message me and i'll give you his number.
I agree with most but I think if they are going to take the time to put an ad up they would take a good picture with just the gecko and it's individual characteristics.
They aren't actually different species just different genetics. Yes you can mix if they are the same size, but if they aren't only bad things will come of it.