Consider some other ways you could make money online or elsewhere. You could start a website, try your hand at creating videos or build your own products to sell on the Internet. Unfortunately, you're going to need a fair amount of expertise to make it in any of these areas, and if you don't have the know-how yet, you'll almost certainly need some intense training in Web design, editing or the like.
If you own a car, you can make some spare cash as an Uber driver or delivery person. If you don’t own a car, you can still be a delivery person using your bicycle. Uber drivers looking to make even more money off their car can turn their car into an advertisement using Free Car Media. Your car will be wrapped with a removable vinyl decal. There have also been cases of Uber drivers selling products in their car. As a driver, you’ll often times start talking about what you and your passenger do for a living.
People are always looking to have their cars washed and detailed. You could be a mobile car washer and detailer with a permanent location. Reach out to people you know or make some flyers and put it in your neighbors' mailboxes. If you want to get serious about it, prop up a one-page website or give out business cards. You can make money quickly doing this.
Become a moving advertisement. “Wrap” your car in an advertisement, go about your usual commute, and get paid monthly to do it. (Some car-wrappers in San Francisco make as much as $400 a month doing this, but of course this varies depending on how big a city you live in and when / how often you make your commute.) You can also get paid to wear a company’s logo t-shirt around (particularly if you wear it someplace conspicuous, like at your school; see ShirtsInSchools.com as one example).
Great ideas although I find writing 20 articles in a day too exhausting. Similarly, I doubt if you can collect aluminum cans in one a day that you can sell for at least $100, unless you will do it with other friends and colleagues. This is a good idea for a fundraiser, though. On the other hand, I would recommend baby/dog sitting or house/yard cleaning.
Use the law of supply and demand to your advantage. Most of us are familiar with the law of supply and demand--the more there is of something, the cheaper it is; conversely, the rarer the product or service, the more expensive it is. However, other than when we get to a toy store before sunrise to get on line for the latest fad toy that kids can't get enough of, we don't really apply the law of supply and demand to our own lives--particularly our careers. For example, if you're aspiring to do something that many, many other people want to do (so much so that they do it for free, as a hobby) then it will be far more challenging for you to make money doing it. On the other hand, if you do something that most people don't want to do, or if you get very good at doing something most people don't do all that well, then you can make a whole lot more money. In other words, choose a career in pharmacy over photography.
I recently stumbled on the Trim app and I have to say, this one is a game changer. It’s a simple app that acts as your own personal financial manager. Once you link your bank to the app, Trim analyzes your spending, finds subscriptions you need to cancel, negotiates your Comcast bill, finds you better car insurance, and more. And of course, the app is free! My bet is that it will only take a few days for Trim to put an extra $100 in your pocket. So easy!