Though many people donate blood voluntarily, there are companies that pay you to regularly donate blood and plasma. There is always a need for blood and plasma that volunteers alone usually cannot fulfill, making it necessary for some compensation to be offered to those who regularly donate to the same company. A simple internet search for your area should come up with all of the places that will pay you for this kind of work.
If you’re a skilled worker in a specific niche, like marketing, design, or software development, there are specialty marketplaces that cater just to you. These are amazing places to make money online as you know that the people visiting them are looking specifically for the skills you have. Check out places like 99Designs or Dribbble for designers, Cloudpeeps for marketing and SEO professionals, and TopTal, Crew, or Gigster for high-level software developers. Once you've built up your development skills, you can begin building a brand for yourself as a higher-value consultant and start charging brands for larger projects like implementing an entire WordPress security overhaul or migrating a website from http to https.
There are quite literally hundreds of clever ways to make money online. From taking online surveys, to renting or selling your old clothes, flipping your iPhone to someone in a different country, and even buying low-cost products locally, just to resell them for a higher price on Amazon. There’s truly no shortage of unique ways to make money online.
If you are particularly knowledgeable on a certain subject, or if you are a good creative writer, you can write an ebook in a fairly short amount of time. Many websites are dedicated to selling ebooks, but by far the biggest marketplace is Online Shopping for Electronics, Apparel, Computers, Books, DVDs & more, which brings in millions of people a day looking for a new ebook. Your work will need to be formatted a special way and the content will need to be approved before it is published, but there are authors who routinely make five figures (and more) just from putting out Amazon ebooks.
One of the cool things about Google AdSense is that it's so easy to get set up. If you have a blog or website, you can sign up for a free Google AdSense Account. From there, Google will give you a unique code that you will paste onto your website. Google takes it from there, tracking your page views, traffic, and earnings on your behalf. There is no upkeep or maintenance to get this thing going, which makes it a no-brainer if you have a website already.