yes of course it is.
A belly piercing is a piercing on the belly button. Where your belly button might go in or out, it is the slight arch you get just above it. it is a piercing through that area. depending on how your belly button is formed. Search google for images.
Your piercing will have mostly healed within that month before you go on holiday. Sea water is salt water - which is what most piercers advise cleaning fresh piercings with. It should be fine to go in the sea, but I wouldn't spend too long in there if you have any doubts.
Go to your doctor.
You have to take it out whilst doing the sport
No, Claire's don't do belly piercing. Claire's don't actually do piercing at all, they use a piercing gun which is not the same thing, and legally can only be used on earlobes. If you want any sort of piercing you should always go to a piercing studio.
Yes. Just wash the piercing out once you are done.
*shakes head*
Go to the ER.
That would depend on where you go, and who you go with to discuss the price.
To a professional piercing studio or to a tattoo shop that offers the service.
Go to a body piercing studio to get your belly pierced, that will be the safest way!
go to your doctor to make sure its not infected