I have spiderbites, and I got them done at different times and the I used a hoop for the first one, and a stud for the second one.
The hoop - It was swollen significantly. When I went to sleep the...
Well, at first it'll irritate you, for about a week or so. After you get used to it, not at all. And if you mean GETTING it pierced, it depends on your pain tolerance. It didn't bother me at all!...
I wouldn't say that lip piercings are bad. Just like any other piercing, a lip piercing comes with risks. The biggest ones are gum and enamel erosion. The jewelry can rub against your teeth and gums...