The only answer for you is a diy incubator. Go to the dump and pick up a stand up freezer. Then get 2 strips of 11 inch flexwatt, a small electronics d/c fan at radio shack, wire shelving from homedepot that you can cut to fit and a thermostat. Done
Freezer from dump-free
Flexwatt wired and cliped- 50.00
Shelving and clips - 30.00
Fan - 25.00
Thermostat (helix, spyder) 100.00