Double, extra YES to #5 and #6. I think I’d also add jumping in too quickly without a plan.Not a business plan, but a MONEY plan. I see SO many people quit their jobs and start businesses with NO backup funds, and then freak out when they are broke. Have a backup fund OR be totally ok with living out of a van when you get started (I literally did this to save money when I started my business). Plus, living in a van is just super fun anyway, so you can pretend you’re doing it because you want to and not just because you’re broke! :)
One of the online world’s hottest professions at the moment, this business is a gold mine for the tech-savvy entrepreneurs. While everyone’s slightly obsessed with getting their sites SEO optimized, not many people can actually wrap their heads around this topic. If you decide to go into this field, you can think about offering link building, content creation, on-page SEO optimization and similar one-off packages.  

The key to success in this business is being very disciplined in buying. Limit your car buying to popular models that you can turn over quickly, models that you have a strong understanding of current local pricing on, cars that you can buy at a significant discount to the price you believe you can fairly sell them for, and cars that are highly unlikely to need major work.
A friend in Boston made a living doing this. He had lived in the Netherlands and was fluent in Dutch. He contacted companies who sent people to the Netherlands to work and live, and offered to provide not just his language expertise but important information on Dutch culture and living in the country. It worked. If you’re from or have lived in another country, consider channeling not just your language but your cultural expertise into a new career.
It’s a well-known fact that America’s small business owners are movers and shakers. They come up with innovative products and services; they employ about 50% of all private sector workers; and they persist even during tough economic times. But what might not be such a well-known fact is that most of them do all of this without even leaving their homes.
A home business (or "home-based business" or "HBB") is a small business that operates from the business owner's home office. In addition to location, home businesses are usually defined by having a very small number of employees, usually all immediate family of the business owner, in which case it is also a family business. Home businesses generally lack shop frontage, customer parking and street advertising signs. Such businesses are sometimes prohibited by residential zoning regulations.[1]
Strictly speaking, this isn’t really an at-home business, as most of the work takes place outside the home. But for dog lovers who don’t want other people’s pets staying overnight, dog walking is a viable business idea with a low barrier to entry. Still, there are considerations including researching the state of your local dog-walking market and addressing licensing and insurance concerns.

From the inside looking out, I want to see the world as clearly as possible. And so do a lot of homeowners and particularly office managers. Now that creates a demand for window cleaners to step into this business idea, especially if you can land a contract cleaning windows for an office building. If you want to try it out as a side business idea, here’s a step-by-step guide on how to start a window-washing business at home.
I have almost 80 email subscribers, between 350-600 unique visitors per day, and I have talked myself into believing that my site is so new that it would be ridiculous to offer anything but affiliated links…that I need to build a reputation and trust first. These folks don’t know who I am yet. They don’t know that I’m not trying to bamboozle them, yet help them along in the journey, so why would they buy from me?!
Despite Instagram's growing popularity, not all brands know what they're doing on the app. If you have a background in social media and marketing and a passion for photography and Instagram, starting a consulting business that focuses on the popular photo app can be a great way to make money while helping other businesses improve their content and thrive.
We don’t manufacture as much in America as we used to, but the phrase “American made” still means a lot to some people. Artisanal items are also popular, making now a great time to start a furniture-making business. This might not be the easiest idea to start from scratch, but if you already own the equipment you need, you can start producing pieces to sell at fairs and online on sites such as Etsy.
While the spiders do index sites and pages that haven’t been submitted, you certainly don’t want to leave this to chance. A spider might find your website and index it next week–or it might be two years before that finally happens. So take the time to submit your site to be sure you’re included. Once your site’s been submitted, expect it to take two to six weeks for your listing to appear.
Like birthdays, marriages happen all the time. Which means you can treat weddings as a recurring fountain of business opportunities: wedding dresses and coats, jewelers, food caterers, venue providers, photographers and videographers, performers, flower shops, travel agencies, souvenir crafts, and a host of other ventures. Now imagine if you can form a network of these service providers so you can offer engaged couples a range of hassle-free wedding packages as a turnkey business idea. The process is certainly fun (and time-consuming), but as a side business idea, the pay can be pretty great.

That's why I'm a huge advocate of always starting a side business while working full-time, so that you can test your way into your new product or service, get feedback, validate the business idea, and start generating income before you quit your job. If you can master the art of scaling a side business idea while keeping your day job, you'll have no trouble succeeding once you're fully self-employed.
If you speak like James Earl Jones or Scarlett Johansson, quite a number of digital publishers (including game developers, animated film-makers, and training video producers) pay good money for voice talent and the time investment isn't too intensive—making this a great side business idea. You can find these publishers looking for voice-over artists on sites like PeoplePerHour, Freelancer and Upwork, as well as their calls for talent directly on their websites or through voiceover agents. If you do pursue this as a side business idea, be prepared to invest for the long-haul as it can be a very competitive industry.

1. Create a work environment you feel good in. And that includes investing in professional office equipment and furniture. “Everyone is vulnerable to repetitive stress injuries from using office equipment,” says Paul Robert Edwards, coauthor of Working From Home as well as a Small Business Development Center consultant. “So take care to get things that fit you ergonomically. Particularly important are your chair and your keyboard.”
The German Economist Schumpeter once said that there are “no original ideas”, only new combinations of old ones. Curation of curiosity-fueling content is an intriguing and little-known business model. One of the best success stories out there is Brainpickings – a platform that describes itself as “an inventory of cross-disciplinary interestingness, spanning art, science, design, history, philosophy, and more”. The subscription-based model and successful utilisation of affiliate links have turned the blog into a self-sustaining business.

Got a thing for numbers? Plenty of companies need to hire talented contractors who are good at data analysis, making this a potentially lucrative side business idea if you have the right credentials and experience. Platforms like Upwork and Digiserved are but a two of many websites that are great for freelancers with an analytical prowess, looking for extra work as a side business idea around their full-time jobs.

If you can write copy that gets people excited about purchasing what your client has to sell, you can make good money in this business. Unless you are highly experienced from working in the copywriting field, take a course. There are online courses or classes at community colleges and universities that can give you a leg up in getting savvy at writing copy for brochures, catalogs, advertising and, of course, marketing copy for the web.
Like birthdays, marriages happen all the time. Which means you can treat weddings as a recurring fountain of business opportunities: wedding dresses and coats, jewelers, food caterers, venue providers, photographers and videographers, performers, flower shops, travel agencies, souvenir crafts, and a host of other ventures. Now imagine if you can form a network of these service providers so you can offer engaged couples a range of hassle-free wedding packages as a turnkey business idea. The process is certainly fun (and time-consuming), but as a side business idea, the pay can be pretty great.
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