If I ever got a PS4 Portable, I'd end up using it at home ONLY so I'm simply not getting one
I'm the same tbh. The only time I find a portable console really handy is when I'm going away on vacation. Then it's just easier to pack a handheld for gaming while i'm away cause it's so much smaller. But I never play games when I'm out of the house.
I never used my DS, 3DS, PSP or Vita while I was out.
Predictions (Made July 2019)
LTD: PS4 - 130m, Switch - 110m, XBO - 52m 2019 : PS4 - 15m, Switch - 18.8m, XBO - 4.8m 2020: Switch - 22m (Peak Year)