I will sell a part of them and keep the most.
I think I would be all in or nothing. I wouldn't just sell off half if it rose a bit, if I really thought it would go higher I would keep saving until I am happy with my profits. I don't think I would ever just sell half
Definitely not now but I really don't have plan in mind on when to sell. Maybe i will continue to hang on and if one day bitcoin has gone mainstream, there is no point in selling and then having to buy back again at higher price.