When I was hatching i did have a brinsea octo eco. It hatched anything I put in it, and I used it for quail. We also built one out of a cooler and it was pretty neat but required a watchful eye on the temps. I loved it. When we moved I sold it and wished I hadn't. As soon as we find a house (we live in an apartment) I am getting quail first!!
Me and my sons made an incubator out of an old cooler and a hatcher out of my wife's pink cooler. She wasn't happy. Bit now we have 166 jumbo coturnix quail. So she is happy now... Lol.. We have a total of $45 for both and they hatch great. We got a 85% hatch rate the last batch and the one before with bantam eggs we got 93% . We used the rush lane poultry stuff on you tube. I hope this helps a little. I'll never pay lots of money for an incubator again.