How to spot a scam?

Every one of us want to have a stable job and easily get excited and interested if we heard new offers that could give us an extra income to earn a living. but not all we heard are good opportunities many of them spread business opportunities just to gain money out of it and not to help others provide genuine business opportunities. They are called a "SCAM". How you can avoid a scam? It is so simple to detect a scam all you have to do is first ask the company for documents about its lawsuits history. Most reputable businesses will provide them, for a publicly traded company, look at audited financial statements and don get excited by testimonials. Ask the company to provide proof of typical earnings. Walk away if there's information in writing. You can contact those invested in the business and check for complaints on internet message boards and at consumers-protection agencies