Judy has given you some good links and I'm sure there are plenty of BYC members who've had good success with homemade incubators, but I never had any luck with mine, so I bought an inexpensive styrofoam incubator with an air circulating fan and an auto egg turner and had a good hatch rate with it. I don't know if this is within your budget or not, but Murray McMurray has a very nice one at http://www.mcmurrayhatchery.com/full_view_picture_window_incubator.html. If you go this route, just be sure and get one with an air circulation fan and an auto egg turner. Whatever you end up doing, good luck with your hatches.