Whammy
Not by superstition. But please don't throw cats because they will most probably bite you, hiss at you, and to be frank, hate you for a very long time. Cats have a very good memory! It isn't bad luck by superstition, but it IS bad luck for the person who decides to throw it. Although as stated above it is not considered bad luck to throw a cat, it certainly is bad karma.
salt
Press Your Luck
Try Usind Nail Polish and then throw away some of the things that you touched also try using plastic mattress covers Good Luck
Yes
salt
Company does not throw any X-Box 360. They go for promotional activities and give X-Box as a gift to the luck gamers.
No it is bad luck that is why you have to throw it over you left shoulder to hit the demon in the eyes.
coins and clovers
The estate is responsible for the debts of the deceased. The creditors should be notified of the death but they are out of luck is there are no assets.
Throwing salt over the shoulder is a superstition believed to ward off evil spirits or bad luck. It is thought that spilling salt brings bad luck, so throwing it over the shoulder is a way to counteract this belief.