You’ll have to decide for yourself when to “formalize” your company by creating a legal structure like an LLC, buying liability insurance, and such. For advice on these matters, you can meet with volunteers at SCORE, and there are even places to get inexpensive legal help. Meanwhile, why not pull out a $100 bill and take a look at what you can do with it.
It’s great to see so many opportunities at one place. People often say how much they want to leave the corporate world and change the way they earn money but “they can’t”. And I think the reason is fear. They fear that working from home might not work out immediately. There are countless opportunities, if you want to work from home and every excuse is just due to lack of courage.
Walk around your neighborhood or town and I’m sure you’ll see tons of great local businesses with terrible design. However, with increasingly easy-to-use tools like Adobe Illustrator, Venngage, Stencil, and Visme, just about anyone with a creative mindset and a good amount of motivation can start making money online by being a graphic designer for local companies.
Don't sacrifice morals for a quick buck — At the outset, you'll want to do all sorts of things to make money online, but don't sacrifice your morals for a quick buck. Not only will you put people off, but you'll lose Google's trust. You also shouldn't concern yourself with things like Adsense or other ads on a blog before you have around 100,000 visitors per day. Yes, per day.