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. 
Some scams might involve asking you to pay for a “training” book or CD that explains how to make money in a certain business. Others charge for supposedly “exclusive” products that you’re supposed to sell at a premium. Avoid both of these scenarios. Remember, you should never have to pay to get a job. And if someone asks you to, you can be sure that it’s a scam.
Tools. You don’t need much to work as a home-based freelance writer, but there are some tools that you must have. The most important will be your computer. Get the fastest Internet access that you can afford. It doesn’t matter what kind of computer you get. Just make sure you’re comfortable enough to spend a lot of time with it. Most clients will request that you submit your work as a Microsoft Word document, so make sure that whatever programs you use are compatible. In addition, because you’ll be spending so much time at the computer, make sure that you have a good work area with proper lighting. Some clients will want to be able to reach you by phone or Skype, so have both set up and accessible. You’ll need an invoicing program, such as Freshbooks, and a good bookkeeping system to keep track of sales, orders, and accounts receivables.
After I was grown, I started working for an SEO company. The work was enjoyable, but I didn’t like having a set schedule each day. However, the tools and skills I learned on the job have been invaluable. I learned that I loved working online, from anywhere, and that the IM world held tremendous potential. While I was working for the company, I started building websites and making some money with AdSense. I began offering my SEO services (which I still do) and I picked up random online jobs. To make a long story (sort of) short, I learned as I went, and I built up my income until I was able to quit my job at the SEO company. There's just no better feeling than working for yourself!
Differing from the previous method, building a brand means also building an audience. A brand building approach involves developing a superior understanding of your potential customers, crafting a unique brand and carving out a unique place in your customer's mind. This approach to building an online business can be particularly effective at differentiating yourself from competitors in the market if there is heavy competition.
Are you an artist, designer, illustrator or doodler? Are you working with a brand that has a strong visual identity? Do you simply have ideas for clever imagery or witty words? All you need is an image file with decent resolution, and you can easily make your creation available for purchase on the internet as a t-shirt, tote bag, mug, iPhone case or whatever else you can think of. CafePress is a great site that’ll handle the printing, processing and shipping on your behalf, but there are plenty of others that have good reputations too, including MySoti, Printfection and Zazzle.
Whether you have a website or are still dreaming up ideas for a blog, you can also look into affiliate marketing. With affiliate marketing, you partner with brands and businesses within the content of your website. If you mention a product or service, you link to that produce or service using a unique affiliate code you received when you signed up for that particular affiliate program. From there, you’ll make money any time someone buys a product or service through your link.
Display. Just as in any retail operation, the way you display your wares will greatly impact your sales. Produce should be placed underneath a cover to protect it from the sun, but be sure to allow at least seven feet of head room. Display your prices prominently, and clearly identify the things that make your product special. Personalize your stand with signs to inform your customers.
I get emails every week too about medical billing and coding, transcription -- because of that, I created a section on Medical Billing and Coding. I just want to make sure I am covering all bases. It seems this has high interest. Lastly, I want to share info on proofreading from home. I didn't know much about this and started researching it for myself. I was dumbfounded when I interviewed someone making $3,000 a month from anywhere in the world by proofreading. You can read my interview with her here. I urge you to share this interview with anyone wanting to really work at home, because so many have had success creating a proofreading career.
Socialize. Especially when you’re getting started, you need to establish contacts who are already immersed in the business. They can act as mentors, keep you up to date on industry changes, and even help you land your first or subsequent job. Look for the local chapter of the Association for Healthcare Documentation Integrity (AHDI) in your area and join.
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It can sometimes be hard to tell the difference between a legitimate job and a scam. There are even scams that involve recruiters contacting candidates by email or instant message. The person who tells you they have the perfect job for you, might - or might not - be a scammer. Here's how to carefully review all the job listings that come across your computer screen.
It's as important to prepare for a work at home job interview as it is to prepare for an interview for a job where you will be working on-site. Before your interview, review work at home interview tips, the types of job interviews you may participate in, what to wear to an in-person job interview if you need to attend one, and examples of interview questions and answers.