18. CraigsList – Some things don’t ship very well. Other things may make you feel uncomfortable to sell to someone across the country. Anytime you’re selling a large item or something you just don’t want to ship, Craigslist is a great place to go. It’s simple to list your item (again, take good pictures!). If you don’t like the idea of putting your phone number out there, the interested individual can send you a message to your inbox without even getting your email address.
When creating a membership site, always offer different plans and pricing tiers to appeal to your different categories of audience. Access to specific types of content is then dependent on the plan selected by a member. Membership fees can be a one-off payment or a repeat subscription. And you can even sell products on your membership site to boost your income.
Find a profitable niche. Starting with your interests, write down as many niche ideas as you can. Think about topics people might search online. Ideas include passions (like surfing or body building), fears (like spiders or speaking in front of crowds) and problems (like getting out of debt). Do keyword research to see it others are interested in the topic. Find out if a domain name is available that matches the keyword 100 percent. 
Companies these days are expanding their office boundaries to incorporate the idea of working from home. These work from home companies offer employees flexible working hours, better pay and freedom from office walls. Even though the internet is flooded with many online jobs, there are some that offer better pay. Here is a list of work from home firms that are willing to pay $16 per hour or more for home-based jobs.
Specifically, this subreddit has a great, stickied list of sites and services you can use to make a little extra cash. I recommend reading through it in its entirety and thinking about what makes the most sense from a time/reward standpoint—as well as your personal preferences. You might actually enjoy filling out a ton of surveys, say, over dealing with researching and finding new Mechanical Turk projects to complete.
Now you’ve got many different options to start earning online. If you saw something that really interests you, try it out and learn more about it. If you’re really wanting to make a full-time income online, you need to be dedicated to learning how to do what you want to do. There are tons of free resources out there. You just have to search for them!
Many businesses are in need of someone to design their logos, websites or visual ads. If you have a degree or certification in this area, you can make a comfortable salary annually (reportedly $45,000 and up). The more skilled you are, the more clients you'll likely get through word of mouth. Here's a guide on how to build a website that can help you get started.
Consider selling in lots. A lot is a collection of similar items that is sold in a group. For example, if you have a collection of books, magazines or similar pieces of jewelry, consider selling them all at once in a lot. You many not make as much money as you would have if you sold each item separately. However, the items will likely sell more quickly in a lot than they would individually.
“Whatever side hustle you choose, whether it is flipping items, affiliate marketing, blogging, or drop shipping, it’s always going to be tough in the beginning. You may not make money or generate any profits for weeks or even months. Any rational person will likely quit. When you feel like quitting, don’t. Usually, when you reach that quitting point, you’re so close to reaching the next level. Don’t give up.”
Today, if you're at all serious about succeeding in any endeavor, whether online or offline, you have to deliver enormous amounts of value. Yes, you have to do the most amount of work for the least initial return. This is especially true online. Why? Because it takes time to build authority and create an audience, two primary ingredients necessary to succeed in the wonderful world of commerce on the web.
You can't find a better place to write online than About.com. People who write for About.com are experts in the topic they write about and just about every subject you can imagine is covered here. Whether you love container gardening or you're a hardcore Android programmer, About.com is full of information that makes the site and its writers an authority readers trust.
When you lack the luxury of time, making money on or offline can seem like an impossible task. How are you supposed to do that when you're working at a life-sucking nine-to-five job? While the stability of full-time employment might allow most to sleep well at night, it doesn't empower your creative juices to search for new income-producing strategies.