Its probably the temp in the brooder. Did you give electrolytes or probiotics? Make sure the protein of the feed is high enough. Here is a video on how we raise our chicks.
You can definitely get your money back from the seller and will pay shipping.
As for a local incubator I started with one from tractor supply but mine had a fan. As for the rails you can hand turn 3 times a day. I got my rails from amazon.