It depends on the method of shippment. If I get a plant in a pot I just put it on the windowsill but when it comes bare root I put it to the higher humidity for a week. It depends also on the species. When it comes to the more difficult ones, I do it in the way you've described. For example when I got my N. robcantleyi I just put it on the widowsill and it started pitchering but when I got jacquelineae I'd been acclimating it 'bottle method' for 4 months.