You can eat quail eggs. I wouldnt eat Button quail eggs but I certainly plan to eat Cortunix eggs. I have Cortunix quail right now...and will be getting buttons soon.
It really depends on what type of quail you are thinking of getting. Quail have many purposes...meat..eggs..pets...hunting. They are relatively easy to care for in my opinion but need to be watched closely since they are soo small. Once I know what type of quail you are planning on raising I can...