What is a scam?
We use the word "scam" loosely as a catchall for all types of unethical, bad, dishonest or corrupt practices that may be employed by unscrupulous parties. The effects generally range from being just annoying to downright harmful. They can be committed knowingly or unknowingly by the various parties involved.
The Scams are categorized generally by when they are most likely to occur during the process.