If you do not have their own products for sale, you can sell other people's products on your website and receive a commission for each sale. With affiliate programs , you have an unlimited supply of products to sell and need not go through any problems after the sale.
7. Subscription payment
Instead of earning money by clicking , you are paid if your visitors subscribe to the mailing list of others. Alternatively there are plenty of big companies like Coca -Cola they need to do surveys , this is another way to get high profits from your website.