Why!
I used to, when I would feel an unction from the Lord to do so. But that has not happened in a long time, and it will have to be really strong if I ever do it again.
I usually have my kids with me, but when I've been alone I've done it. I always ask and make sure they're not a serial killer first and that's worked out for me pretty well so far.
No
No, but if I was with another person and felt safe I might do it. For example, when I was driving with my cousins in a natural hiking area in California. There were lots of people visiting, and lots of people hitchhiking, so it felt safe and it was in the daytime.
No. I think hitchhiking is illegal anyway in many places. It's just a chance I don't care to take.