If you don’t want to start your blog, you can write for other websites. If you are good at writing, have a knack in a particular topic, not just technology, you have websites which can hire you, and pay you handsomely.  You can write for corporate websites, write paid product reviews, work for online magazines, publish your eBooks, fill online surveys, get paid to write comments, post at forums and more. However do remember, you will need to keep improving your skills, get good at writing, and research well to stay in the job.

2. Use your hacking skills for good. If you know how to adeptly hack into websites, put your skills to use with HackerOne.com, a platform that pays their network of more than 100,000 hackers for finding and reporting software vulnerabilities. According to data on HackerOne's website, 12 percent of their hackers make $20,000 or more per year. Approximately 3 percent of the hackers are making over $300,000, and 1.1 percent are making over $350,000, according to HackerOne.com.
This is the best way to boost your earnings, as you have the most leverage at the moment that a company wants you but isn’t sure whether it can get you. Use that to your advantage in negotiations. Another benefit of getting a bump up when you switch jobs is that the percentage boost will be baked into all your future raises, elevating your lifetime earnings. Here’s how to negotiate your salary.

If you are a decent photographer, you can make money online by selling your photos to online services who buy them. You can sell your pictures on Shutterstock and other branded sites. There are tons of websites for that as they are bought by professionals who would like to put it on their website for a compelling story. You can make good money here.
One of the best ways students can earn money quickly is to take paid online surveys. There are plenty of legitimate survey companies or sites that will let you create an account with their sites. If you fit the demographic that a survey is targeting, you will most likely qualify to take that survey.  Some great survey sites that pay cash for taking service are listed here.

Once you decide on a topic or niche, you should sit down and map out a plan for your internet business model. What market are you targeting, and how can you best serve that market? This is the angle you want to work from, vs the more common: how can I make the most money from this market? (Most people get it backwards and then get frustrated when that doesn't work out for them)
The best money-making move I’ve made so far at uni is to sign up to a few ‘extras’ agencies. You do literally nothing (just a bit of standing around on camera) and you get paid extremely well, often over £100 a day. You also get to creep on celebrities, which is always fun. If I had to choose between that and working in a busy pub, I know which one I’d go for.
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