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. 
Working from home takes a lot of self-discipline. Before you become a remote worker, make sure you have a good system for keeping yourself organized and on task. Use whatever works for you – make a bullet journal, organize your duties on Trello, keep a detailed Google Calendar with Calendly for setting meetings. Just make sure you have a self-management scheme that keeps you going. I really like the new Focused Collection from Erin Condren.
22. Advertising – This is definitely the most old-school way of earning money with a blog. It’s also starting to become the least common way. You can sell advertising spots directly on your site or you can sign up with a company like Google AdSense or Media.net. Either way, you won’t see a whole lot of money from ads until your views are well into the thousands each day.
By building an extensive following, this will allow you to gain profit by attracting key advertisers or get commissions by promoting other brand products (think affiliate). Blogging is big business; just ask Heather from Dooce.com. She’s a mom that blogs daily about her children and pets and has successfully turned her daily adventures into a very lucrative business by simply making money blogging. One of my favourite ways to make money from a blog is by creating your own online course.
Again, if your blog has a large reader base, then businesses may be interested in paying you to review their services or products. Not only will you get a free trial using whatever these businesses are selling, but you will also get a fee for writing them a review and posting it to your site. Paid reviews (and other paid and sponsored content) can be big money, so advertise this service on your contact page to generate business.
Ratings. Whenever someone buys a book from you, they will have the opportunity to give the transaction a rating. This is when they’ll tell other potential buyers whether the book was in the condition that you described, whether it was mailed on time, and if your communications were pleasant and helpful. One bad rating can hamper sales, and a couple of them can downright stop them. Excel at customer service and your ratings will help your company grow.
23. Affiliates – There are many affiliate networks, such as FlexOffers and CJ Affiliate that allow you to promote other people’s products and services. You simply put a link or a banner on your page and then you get a percentage if someone clicks through and buys the product/service. You’ll want to select products that are specifically within your blog’s category.This is an effective way to earn money once you have the traffic coming to your blog.
Get paid for your opinions. Taking surveys online can be a relatively quick way to earn enough to afford a few extras. Harris Poll Online, for example, awards points for the completion of online surveys, which can take between five and 25 minutes to fill out. Survey takers accumulate points and can redeem them for gift cards from retailers such as Amazon and Starbucks. Other online outfits that will pay you to take surveys include SurveyClub, Global Test Market and Swagbucks. There's no cost to sign up.
In fact, I wrote a book, Will It Fly?, that is uniquely designed to help people figure out if a business idea is worth pursuing. I’d recommend you read that as a guide during the discovery phase. Thousands of folks have already used Will It Fly? as a tool to help them validate and test their own business ideas before spending money they don’t need to spend. You can pick up a copy at SmartPassiveIncome.com/will-it-fly.
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.
It works essentially the same way as the phone apps do above. If you don’t care to let Google know what you do on a daily basis, you can make money from home by letting them monitor your Internet usage. They use the information they gather to help them market/increase the functionality of their advertising programs when targeting users that are similar to you.
This has become a popular business model for online entrepreneurs over the past several years, and will probably just continue to grow in popularity. The best thing about selling online courses is that once you do the up-front work in creating the course and setting up your marketing strategy, you can get paid over and over again for work you do once.