The Millionaire Fastlane: Five Questions to Ask Before You Spend a Year on an Idea
DeMarco is blunt and sometimes preachy, and I'd still keep one thing from him: a five-question filter that takes ten minutes and can save you a year. Most people start building and ask these questions afterward, when the answers cost the most.
The book in brief
DeMarco sorts the ways people pursue money into three roads. The Sidewalk is living for the moment with no plan, one setback from trouble. The Slowlane is the conventional script: hold a job, save steadily, and hope for security after forty years. The Fastlane is owning a business that can grow past the limit of your own hours.
His complaint with the Slowlane is that it ties your result to time, and time is the one thing you can't get more of.
The tool worth taking is an acronym, CENTS. Control: do you own the thing, or does your income depend on someone else's platform or paycheck? Entry: is it hard to enter, since easy entry invites a flood of competitors? Need: does it serve a real demand people pay for, rather than a passion no one will fund? Time: is your income separate from your hours? Scale: can one unit of effort reach many people?
Beneath it sits a mindset he pushes hard. Be a producer who builds things, not only a consumer who buys them, and treat money as a byproduct of solving problems for many people.
The framework is easier to state than to carry out, and DeMarco underplays how much risk scale brings. He's also dismissive of paths that work well for plenty of people. Even so, the filter does its job. It tells you whether an idea can grow or will turn into a job you happen to own.
The Rhynowerks angle
Run a training idea through CENTS, because the exercise tells you something specific about experts.
Control first. If you teach only on someone else's platform, they own the audience and the rules. If you build your own, you own both. That's a real difference, and it's the reason a blog and an email list matter more than they seem to.
Entry is the surprise. DeMarco likes hard-to-enter fields because easy ones flood. A course on a general topic is easy to enter, and the market shows it. But look at what a hard entry looks like for you. Thirty years of doing a thing is an entry barrier no beginner can copy by Friday. Your depth is the moat, so the idea should rest on it and not on a topic anyone could read up on over a weekend.
Need is where experts often fail the test, and it's the one I'd press hardest. I spent a career building training, and the discipline we started every project with was a plain one: before you build, find out what the people need and whether training is the answer at all. Passion doesn't count as evidence. Someone asking you the same question repeatedly does. Someone paying for a worse version does. If neither exists, you have a hobby, and a hobby is fine, but it isn't a business yet.
Time and Scale are where teaching has a natural edge. A live session ties income to your hours. A lesson recorded once, taught well, and used by many people doesn't. That's the separation DeMarco means. Be careful, though, because scale cuts both ways. Something that reaches many people also fails in front of many people, and there's no way to promise what any one of them will earn from it. Sell the method and the possibility, never a number.
Now do the ten minutes. Write your idea at the top of a page. Under it, write the five letters. Beside each, write pass, fail, or unknown. Most people end with two fails and an unknown, which is useful, because now you know what to fix before spending a year. A fail on Need means talk to ten people first. A fail on Control means start the email list now. A fail on Time means change the format.
The filter doesn't tell you to quit. It tells you where to look.
The Bottom Line
Ask five questions before you build: control, entry, need, time, scale. The ten minutes you spend now are cheaper than the year you'd spend finding out the hard way.
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