theres alot to learn on the subject,fencing will be expensive if you have fox in the area because it will need to be strong and high
good egg layers are isa browns,they average 200-250 per year.
welsomers average 100 per year and their eggs are known for their beauty
if you intend on eating chickens then you want ross cobbs,they are bred to put on weight at a fast rate,but if you want to eat your chickens you will need a cockerel because you need fertile eggs,you could borrow one if you find the number of your local poultry club
i would suggest buying a book tho mate because theres more to