For many years, the IRS has followed a very strict interpretation of "principal place of business," which prevented some self-employed persons—such as an accountant who maintained a home office but also spent a great deal of time visiting clients—from claiming the deduction. But in July 1997, responding to the concerns of small business advocates, the U.S. Congress passed a tax bill that redefined an individual's "principal place of business" to include a home office that meets the following two criteria: 1) it is used to conduct the management or administrative activities of a business; and 2) it is the only place in which the small business owner conducts those management or administrative activities. When this change became effective on January 1, 1999, it was expected to enable many home-based business owners who also perform services outside of their homes to claim the home office deduction.
Better yet, you can even upload your own book to one of the world’s largest book sellers: Amazon. With Amazon self-publishing, you set the price, retain the rights to your book, and get access to Amazon’s massive audience. For every sale, you keep 70% with Amazon taking the remainder as a fee. If you want to get started, check out Leslie Samuel's great guide to selling eBooks online or follow Tara Gentile on CreativeLive as she shows you how to use your existing body of work to write an eBook within the next week. Who knows, you might just write one of the best business books of this year!
If you’re a skilled worker in a specific niche, like marketing, design, or software development, there are specialty marketplaces that cater just to you. These are amazing places to make money online as you know that the people visiting them are looking specifically for the skills you have. Check out places like 99Designs or Dribbble for designers, Cloudpeeps for marketing and SEO professionals, and TopTal, Crew, or Gigster for high-level software developers. Once you've built up your development skills, you can begin building a brand for yourself as a higher-value consultant and start charging brands for larger projects like implementing an entire WordPress security overhaul or migrating a website from http to https.
CashCrate sends out literally thousands of payments a month to users just like you who spend time completing surveys and offers on CashCrate.com. How do they do it? Well, they do surveys and offers regularly. It really adds up! Your initial goal should be to meet minimum payout, which is $20.00. Making $20.00 in free cash is actually quite easy considering there are hundreds of surveys and offers available, but here are a few tips to get you to your goal faster:
Live in a destination where travelers frequently visit? If you love meeting new people from around the world and also love the city you live in, starting your own local tour company is arguably the best business idea that will give you both of those perks. Take a unique spin on your local tour business like Erik from Vantigo. He was starting his VW van tour business in San Francisco as just a side business idea while he was still working a full-time job, and grew it to being a sustainable source of full-time income before quitting—now he's running a multiple van tour company on the back of what originally began as a crazy side business idea.
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. 
Get samples. When you first start out as a freelance writer, it can be hard to get work without any published samples. However, it is possible to get quality samples if you are willing to do some writing for free. First, you can publish content on your own blog or website. Also, you can write guest posts for someone else’s blog. Finally, you can write blog posts for free in exchange for a byline.
Yes, you can turn your car into a money-maker by driving for Uber and Lyft, but there are other ways to convert mileage into money as a clever side business idea. One way is to do vehicle advertising, a potential side income source of anywhere between $100 to $600 per month. Whether you own a compact sedan or a full-sized bus, your vehicle’s exterior space is prime real estate for ads. Check Wrapify, carvertise, and similar sites for more details about getting started with this business idea and for being paired up with local advertisers.
Robo-advisors are diversified investment accounts that are automatically managed by a computer algorithm (as opposed to a human money manager). If you want to invest, but don’t have the money, or don’t want to invest with a money manager, robo-advisors are for you! Robo-advisors make investing easier—and cheaper—so they’re perfect for new investors.