No, you can not keep Bobs with chickens. Chickens carry diseases that can kill your quail. Not to mention the size difference, the chickens many times will harm the quail because they are so much smaller. You will need to give the quail their own quarters.
You will have to house these two species separate as the Bobs are far to aggressive for the Coturnix.
Coturnix are kept 1 male to 5 to 7 females, and the Bobs are kept 1 male to 1 female. None of these pairs or groups can be kept together during breeding season.
The Coturnix can be kept with...
All quail need to eat gamebird food or something with 24% to 28% protein in it.
Depending on what type of quail you are planning on keeping, each species has it's own requirements for space, how they are kept together and their type of environment.
Yes, you can sell the eggs. Restaurants...