It’s one of the oldest and most proven ways to make money – buy low, sell high. The buy low part comes from searching garage sales, estate sales, and even thrift stores to find items that are in good condition (“gently used”) but selling well below what they would if they were brand-new. In this way, you might be able to acquire an item for $5, and later sell it for $50.
If you've ruled out survey taking as a legitimate way to earn money from home, listen to Bonnie Alcala. She and her daughter Andrea Spain, an elementary-school substitute teacher, take surveys online for fun and a little profit. They are careful to avoid any scams by refusing to pay an upfront fee or other charge. Bonnie and Andrea pocket around $100 a month for spending two hours a week taking surveys, which gives each of them extra pin money. In addition, they collect all kinds of gift cards and other prizes.
Research individual companies in your desired niche: If possible, it’s always better to become an affiliate directly with a company (if they have an internal affiliate program), as no one else will be dipping into your commission rate. This is the preferred route for most of the prominent affiliate marketers, including Pat Flynn. Unfortunately, it’s also the most work, as you’ll have to do the research yourself to see who offers programs (they’re usually listed in the website footer).