This all truly depends on the area you are in. New Jersey has mostly urban cities, therefore it would be difficult to shoot it in your backyard without being unsafe. To make life easier, go to a paintball field.
It depends on your area. If you are located in a busy city or town, then it is not. However there is no problem with shooting your paintball gun in a wooded area.
No. Because, in order for you to shoot them you would have to get their permission to shoot them. If you accidentally shoot somebody inside your backyard without their permission, it is their fault for being in the yard with someone that has a paintball gun and is shooting it in the first place.
No, as long as you only shoot at your property on your property.
i think so
It all depends on your area. If you live back in a heavily wooded area not near the public then it is perfectly fine. However in urban area it is illegal.
Yes. As long as it is on your property and not shooting at anyone else's property.
Only if it is legal. :)
It depends on how large your backyard is and the area in general. If the area you are in is in a wooded area, then no one should raise a flag at anything. If it is in an urban area, yes it is your property but there may be some who oppose this.
No
Yes, if you only shoot your property.
It's not legal.
If you only shoot your property, on your property you will be fine.