Day ten I candled eggs and no signs of life, cracked one open and the white was partially cooked, apparently incubator was too hot. I'm guessing somewhere between day two and three because I can see a spot with small veins floating in the rest of eggs and I do remember catching temperature rise then. What a bummer, off to buy another thermometer and more eggs, even though they were shipped across the US, they were fertile and the air sacs intact. I think the movement I felt was the egg cooling and popping on the inside, not a chick, this was the partially cooked egg, when candled it looked darker too, harder for light to pass through solid. Definite learning experience and on a positive note maybe we'll hatch now closer to when the kids are out of school for summer break. Thank you all for your input, greatly appreciated!