Remember the steps from point 2: Make more money, spend less, and invest wisely. Point 3 covered making more money, and this one covers spending less. Make a detailed budget for yourself based on your projected income and your current expenses. Set firm limits for your expenses, and keep a close eye on where most of your money goes--you might be surprised at some of the areas where you waste the most money. Once identified, you can start refining your budget to spend as little as possible, and funnel the rest into a savings or investment program.
Now you’ve got many different options to start earning online. If you saw something that really interests you, try it out and learn more about it. If you’re really wanting to make a full-time income online, you need to be dedicated to learning how to do what you want to do. There are tons of free resources out there. You just have to search for them!