Flynn has created many different products. While his LEED exam is what got him started, he has both earned a commission from selling other people’s products and offered a commission to others who would sell his wares, and also recently created his first software,, after realizing that most online podcast players offered only the basic stop/start/volume features. He hired a development team to create a superior one, which was a success from day 1. “We sold out 250 beta licenses in less than 24 hours, because I was addressing a need but also, I had built up an audience and trust with them … When you build that amount of trust with your audience, whatever you come out with, they will love.”

Now that you’ve chosen your market, find a way to start sharing your message, whether it’s a blog or podcast or Youtube channel, or whatever platform makes the most sense for your target market. Flynn says this is where you’ll start to build a fan base — and collect subscriber emails. You don’t need to get the whole world to follow you to make this work out financially. Wired cofounder Kevin Kelly wrote an article about 1,000 True Fans, which basically says that if you have 1,000 people paying you $100 a year, that’s a $100,000 a year. “You don’t need to serve everybody,”  says Flynn.

Nowadays, anyone can create and sell t-shirts online, even with minimal design skill and coding knowledge. You can create designs on t-shirt marketplaces that do it all for you, upload designs to print-on-demand vendors who dropship orders for you, or set up an online store and sell tees you print and ship yourself, which can be the most profitable option.
Mobile apps are made to help make lives and tasks easier, to develop skills, or to entertain. There are all kinds of apps catering to different user profiles. With almost every individual owning a smartphone or an android gadget, you can make a lot of money by developing and selling your own mobile app. As this article shares, “If you can come up with something unique, you can make quite a bit of money. Simple – yet unique – apps can be pretty passive.”
In June, he put ads on his site with Google Adsense, and within the first hour, earned $1.08 with three clicks. He earned $5 the first day, $7 the second, and then eventually began pulling in $15-$30 a day. In October, he created an ebook exam study guide priced at $19.99. By month’s end, he earned $7,906.55 — more than he had ever previously earned in a month.
Residual income is the amount of net income generated in excess of the minimum rate of return. Residual income concepts have been used in a number of contexts, including as a measurement of internal corporate performance whereby a company's management team evaluates the return generated relative to the company's minimum required return. Alternatively, in personal finance, residual income is the level of income that an individual has after the deduction of all personal debts and expenses have been paid.