I put my eggs in a plastic shoe box with a lid on it and put the shoe box in the incubator. You can drill a couple of very small holes around the top of the container, but not on the lid. I use vermiculite as an incubation media. I mix it in a 1 : 1 ratio with water by weight for Sulcatas and...
tortoiseforum.org
Then read this one, where I go into much more detail about the day to day stuff. There are lots of small details that can make a huge difference.
My very first clutch of true 100% pure Sudan sulcatas is now hatching. I don't care how many times I see this, it just never gets old. I dig up the eggs carefully place them in my prepared shoe boxes, watch the temperature in the incubator and tend to them for months, and then... When that...
tortoiseforum.org
The answer to your question: Feed them everything. This is explained more in the threads.