I paid it 84.35 + 14$. He was the only one who agreed to put a lower price the others said "no I can't do it that is illegal". Bit now I see he has removed my country from the countries he ships to, don't know why everything went well in my case.
I don't really need a ground wire, I presume it's only for the high resistance measuring, but it's not that hard to make one if needed?