I have my larger goats disbudded, but not the pygmy goats. The reason for this is their heads are so small, I am not at all happy putting them through it, and neither is my vet. So, far, to my knowledge, none of the goats I have ever sold with horns has poked a childs eye out
Although my pygmy intact male may give you a mega butt if you suggest he has his magnificent horns removed.!!!
Not sure how we are discussing horns, but back to the original question of price for kids.......I would definitely try for £100 for the female. The male would probably end up as a companion, so not as much.