were are you?
best advice i could give you is to sort out a days ferreting for him. going out and being with the lads who are doing it will give him a much better idea of what he needs to have.
basics
a ferret, i prefer males (hobs) 1 or 2
hutch, double if you want 2 males as they can fight so need to be separated, even though most of the time there fine together.
ferret box, for carrying them around.
nets, decent quality ones around 25 is a good amount to get you going.
ferret locator!, a bit of kit ide never go with out.
spade, to dig to the ferret when needed.
theres l