How many piercings can you have healing at once?

So last week I just got my lobes pierced for a second time. I was planning to get a helix piercing just a little over a week later. I don't really want to wait since the place where I'm going is having all procedes frmo the weekend go to charity. It...

How long does it take for a naval piercing to heal... also how do you know if its healing properly?! I my naval done Feb 18 so it will be two weeks tom March 4.

I had a tounge piercing a while back that I had to take out due to swelling and healing over the top bar. If I didn't take it out it would have caused major problems. Anywho, I got my septum pierced yesterday due to the fact i've been wanting another...

I just got a second set of ear piercings about a month ago and they don't bleed and they don't get irritated when I switch out studs, so I figure that means they're pretty much healed (I heal pretty fast). Now I'm wanting a third set, and I was wondering...

I'm considering getting an industrial piercing in my ear, the one which is one bar through 2 holes around the top of the ear. I was wondering if removing the bar after a number of years will result in 2 permanent holes in the cartilage, or if the holes...

For example, I got my tongue pierced and the piercer said that the healing time usually takes 4-6 weeks. I was fully healed, with no swelling, after 9 days.