Do not get the hovabator. You might as well buy a sytrofoam cooler if you are going to use that. I highly recommend making your own. If you are going to use a Hovabator but use a different thermostat you're already half way to making your own incubator. If you want something small/temporary you can use a regular cooler, or an old/broken fridge. If you use something small enough you don't have to worry about a computer fan. There are a TON of DIYs on making your own incubators, it's super easy.