In 2017, there were almost 90 million pet dogs in the US. Which has opened up a huge opportunity to make money online as a dog watcher or sitter. Specialized sites like Rover or Care.com connect pet owners with pet walkers, sitters, and boarding houses to help look after their best friends when they’re at work or on a trip. If you’re an animal lover, you can make extra money and get to spend some quality time with a furry friend.

Starting a podcast, like making a YouTube channel or blog, comes down to telling interesting stories and building an engaged audience. I’m probably sounding like a broken record by now, but you need a niche that you’re interested in and there’s already a demand for. Come up with a list of topics you’d like to talk about and then search iTunes charts, Google Trends and other podcast research sites like cast.market to see what’s currently out there and popular.

So many people dream of writing a book, but never go through with it. Yet no matter what, I’m sure you have experience and value you could give through writing a book. By packaging your skills and knowledge into a downloadable eBook that helps people learn a skill, advance their careers, or start a businesses, you can change someone’s life and even make good money online. You'll just need to employ an easy tool like Sellfy in order to quickly sell PDF files (like an eBook) to your readers.

Last but not least, you can also earn money online by building an online community, although the monetization strategies you can pursue will vary a lot depending on your goals. You can build a community with a blog, for example. You can also build an online forum and charge people for membership. You could even build up a Facebook group and use your influence there to sell and promote products.
While some might think that starting a blog is an arduous effort, when you understand the precise steps you need to take, it becomes far easier. It all starts in the decision of choosing a profitable niche and picking the right domain name. From there, you need to build your offers. You can easily sell things like mini-email courses, trainings and ebooks.
So, I started reading and learning about affiliate marketing and blogging. I combined the two and after a 14-15 months of really hard work (sitting in front of computer for 14-6 hours a day and putting things I had learned, into action (building a blog, writing articles, promoting the site, etc), I started making enough money that I started believing in myself and the idea that I too could make a full time income online. From then on, I just kept on going and the income grew and grew. Now, I still work 8-10 a day on my online business, and sometimes even more. You have to constantly work and maintain it. Most people think because its online, its easy. That’s where they get it wrong.
Another great option is Acorns and my experience is that Acorns can make anyone an investor. It helps you start saving by rounding up your purchases on the debit or credit card of your choice. Then, every time you hit $5 in savings, Acorns invests your money in ETFs. Mighty convenient. Acorns cost $1, $2, or $3 per month depending on the plan you choose – making it a cheap option for young investors. Here’s our review of Acorns
You'll also need ecommerce software, fulfillment software, worry about warehousing, customer service and refunds. But that's not all. You'll also need traffic. Think search engine optimization, Facebook ads, and other social media campaigns. It is hard work, especially on your own. You could opt for Amazon's platform, which might be the easier route. But, then again, at the end of the day, this is a serious business, which could produce significant profits. So you're either all in or you're not. 
Need more ideas on how to make money online? Another strategy is using webinars to market your product, service, or course. I’ve done webinars to promote my financial planning practice and to drum up interest in my online course for financial advisors. With a webinar, you’re basically offering a lot of tips and advice for free — usually in a live format. At the end though, you pitch your paid product or service with the goal of securing a few deals.
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So, I put together a free master course for you to take that spreads out all of the work involved in starting a blog, into a series of action-packed lessons. My free course breaks the entire process of starting a blog down into an incredibly simple 7-day process for going from 0 to brainstorming the best blog post ideas, publishing (and promoting) your first blog post in just 1 week. We also cover beginner and advanced ways to learn how to make money blogging in the course. I can't recommend it enough.
Prior to that group, they had an online community for teachers looking for lesson plans. That probably sounds pretty random, but it's crazy the type of communities you can build and rally people around. If it's something that you're passionate about yourself and you want to connect with others that have that same passion, then an online community is something you should definitely consider.