If you have a propensity for writing and you can slay with your prose, consider writing an ebook. While the market has certainly become saturated as of late, books that help teach people about a technical topic still sell extremely well. This is a great source of passive income but does require a large amount of effort at the outset before any money is generated.
No matter what method you choose to make money online, understand that you might be able to make some money fast, but for the sizable returns, you'll need significant sweat equity. However, a year from now, you'll be happy you started today. Remember, time is far more valuable than money. Focus on creating passive income streams that will free up your time so that you can quit the rat race and focus on the things that matter. 
Don't sacrifice morals for a quick buck — At the outset, you'll want to do all sorts of things to make money online, but don't sacrifice your morals for a quick buck. Not only will you put people off, but you'll lose Google's trust. You also shouldn't concern yourself with things like Adsense or other ads on a blog before you have around 100,000 visitors per day. Yes, per day. 
If you are great at typing fast and transcribing, this is for you! By signing up at Transcribe Me, you get to work on tasks where you are expected to turn audios and videos into text form. All that you need is a computer connected to the internet and your transcription skills. Tracking of your weekly work is easy and in real-time. You can request payment at anytime as long as you have a minimum balance of $20. Payments are fast and secure way through PayPal every Thursday before 9 a.m. EST.