Shopify is a great example of the freemium model. By offering some applications for free, they get exposure for their whole business. Since the company was founded in 2004, they have acquired 30,000 customers, including Pixar and the Foo Fighters. Their revolutionary “build-a-business” competitions in the past have produced over $70,000,000 in revenue for over 14,000 entrants.
Upwork: This website offers a great marketplace for selling just about any professional service. You don't need a merchant account, website of your own or anything else for that matter. All you need to do is be able to provide a high-quality service at a reasonable price. But be informed, you will have to compete with many others that are constantly bidding on open jobs.
GPT or Get-paid-to sites are becoming increasingly popular among teens. You get paid for signing up for free Websites, newsletters, playing games and filling out online surveys. These are suitable for people who don't have a skill set but want to earn extra money. Taking online surveys is simple- register with a few legitimate, paid survey sites and answer questions. The topics range from shopping to politics. This might not help you make a living, but you can earn good pocket money. Contests2win is one of the trusted GPT Websites.
Using a food delivery service can’t necessarily earn you money, but it can help you save you money if you constantly find yourself throwing out half the food you buy. Food delivery services send a box of food every week with new, sometimes unique vegetables, meat, fruit, and so on. If you don’t have time to shop and want simple meal-prep that leads to a good meal, a food subscription service may be perfect for you.