Envelope Stuffing: This is one the oldest and most well-known work at home scams. Once you sign up to work at home, you will be sent an identical set of envelopes and ads. You might make some money if someone responds to your ad, but eventually there just won't be a market for it any more. They are also illegal in most states. Google AdSense can bring you $1 per site. It is not possible to find a niche that has high search traffic, unless you are very lucky. The idea is that you should have m...