Hi, alot of farmers will let you ferret on their land for free. I'm only 14 but i went and knocked on a few farmers doors, asking them for feretting permision and two of them were happy for me to get rid of their rabbits and one of them was being a grumpy old fart and he said he likes the rabbits. If you go and ask a few farmers for permission i would just advise you to dress smart and talk properly.
Best of luck,
Alex
thanks for the info mate but im 26 years old and and have been working peoples land for over 5 years with permision its just the rabbits have worn abit thin and i th