Hi Friends! I am the proud owner of 25 chickens, 4 adult guineas, and 15 keets (also 3 dogs, 3 cats, 1 turtle) that are nine days old. I am now considering hatching some eggs for fun with my family. My daughter hatches eggs in her 2nd grade classroom and now we are going to try it for some quality time as a hobby to have together. So, I have a few questions about incubators that I need some help with. 1) Which type of incubator is the easiest to use? 2) If a buy a "universal turner rack", will my guinea eggs fit or do they have to go in a "quail rack"? 3) What is the difference in hatch percentage with hand-turning the eggs and using an automatic turner? Thanks for any advice and help you can give.