i want to hatch cayugas this summer with my homade incubator made from a cooler. i want to end up with 2 ducks to keep but i dont want to hatch too many that i dont sell. my problem is i want to hatch at least two eggs so i was thining of ordering eggs, but i dont want too many ducklings that i wont b able 2 find homes for. what do ppl think r the odds of me hatching 2+ out of 6 eggs? shud i get more?