You want to start an online business, but every suggestion seems to begin with “choose your niche.” Helpful, right up there with “just be more organized.” If you knew exactly what to sell and whom to help, you probably wouldn’t be staring at a blank notebook, waiting for a lightning bolt to strike. Or reading this article. Right?
Here’s a more useful starting point: look at what you already know how to do. Your work history, life experience, recurring questions from friends, and problems you’ve solved can point toward an offer people actually need. You don’t need a fancy title to take inventory of those things. You do need to get specific.
An expertise inventory is a simple list of the skills, experiences, and repeatable solutions you’ve collected over time. It won’t magically turn every talent into a profitable business. It will give you better raw material for choosing one idea to test.
Expertise isn’t limited to your job title
Maybe you spent years coordinating projects at work. Maybe you taught yourself to manage a family budget, organize a complicated move, build a garden, plan meals around everyone’s preferences, or make sense of a tool that made other people want to throw their laptops into the yard. Maybe you’re a whiz at Canva.
Some of those experiences may be personally meaningful but have little commercial potential. Others may address a problem that people are actively trying to solve. The inventory helps you tell the difference.
Don’t dismiss something because it feels easy to you. Familiarity hides skill. If friends keep asking how you plan a week of content in an hour, that’s a clue. If you once overcame a challenge but can’t explain your method or reproduce the result, it may need more work before it becomes an offer.
You don’t have to be the world’s foremost authority. You do need enough relevant knowledge to help a particular person get a specific result, and enough honesty to stay within what you can actually deliver.
Step 1: List the problems you’ve solved
Set a timer for 15 minutes. Divide a page into three columns: problem, what I did, and result. Write down at least 10 examples from work, home, volunteering, hobbies, or your own business experiments.
Aim for detail. “I’m good at social media” is too broad. “I made a repeatable process for turning one blog post into a week of social posts” gives you something you can examine. “I’m organized” tells you little. “I made a checklist that helps new clients send the information I need before our first call” points toward a useful tool.
Include the messy examples, too. Perhaps your first system failed, and you changed it after you saw what people skipped. That adjustment is part of your expertise. An honest account of what didn’t work can be more useful than another story about a flawless morning routine from someone whose day seems to have 37 hours.
Look for results you can describe without exaggerating: less time spent searching for files, a clearer process, fewer missed steps, a finished project, or more confidence doing an unfamiliar task. You don’t necessarily need a dramatic transformation to spot a real improvement.
Step 2: Notice what people already ask you
Next, make a second list. What do friends, coworkers, clients, or online contacts ask you to explain? What do people thank you for? When someone says, “How did you do that?” jot it down.
A repeated question can suggest a demand, but one compliment isn’t proof of a market. Your cousin saying you make beautiful spreadsheets doesn’t mean 1,000 strangers are waiting to buy a spreadsheet course. Still, those questions reveal where your knowledge is visible and helpful.
Pay attention to the exact language people use. “I don’t know what to post when I’m busy” is more revealing than “I want a content strategy.” The first phrase names the moment where they get stuck. That moment can inspire a useful article, checklist, service, or product.
If nobody asks you questions yet, that’s okay. Think about the questions you had before you learned a skill. Search your own old notes, messages, drafts, and browser bookmarks. What did you have to figure out the hard way?
Step 3: Find the repeatable part
A sellable idea usually needs a process you can explain and another person can use. Ask yourself: could I break this result into steps? What information would someone need first? What common mistake would I help them avoid? Where would they still need support?
Suppose you’ve helped three friends set up a simple weekly planning routine. Your knowledge might become a one-hour setup session, a printable planning worksheet, or a short tutorial. The underlying problem is the same, but the format and price would differ.
Now suppose you’re simply great at keeping your own desk tidy. Before building a course, find out whether your approach works for people with different schedules, spaces, and habits. A personal preference is a starting point, not yet a tested method.
Write down a basic sequence for each promising idea. If you can’t describe the first three steps, you may need to practice or research more. If you can describe the steps but the result depends entirely on you doing the work, that idea may fit a service better than a do-it-yourself product.
Step 4: Match the skill to a specific person
“Anyone who wants to be more productive” is a very large audience and a vague promise. “New solo business owners who keep starting products but struggle to finish one” gives you a clearer person and problem.
For each idea, complete this sentence: I help [person] do [specific task or achieve a realistic result] by [method]. For example: “I help new creators turn one article into five usable social posts with a simple repurposing worksheet.”
Make the result modest and concrete. “Transform your life forever” sounds impressive until someone asks what happens on Tuesday. “Plan next week’s content in one sitting” is easier to understand and test.
You can serve beginners even if you’re still growing your own business. Just be clear about your experience. Share what you’ve done, what your method can help with, and where its limits are. You don’t need to pretend you’ve built a seven-figure empire to help someone make their first useful checklist.
Step 5: Check whether people want the result
This step saves you from spending six weeks designing a course for a problem people don’t feel strongly enough to solve. Pick your two or three best ideas and have a few conversations with people who resemble your intended customers.
Ask open questions: “What’s hardest about doing this now?” “What have you tried?” “What happens when you put it off?” “If this got easier, what would change?” Listen for concrete examples rather than fishing for compliments.
“Would you buy my course?” often gets a polite yes. “Tell me about the last time this happened” tends to produce better information. Notice whether people have already spent time or money trying to solve the problem, and whether your proposed approach fits their budget and daily reality.
You can also test with a small piece of content. Write a post that teaches one useful step, then observe which questions come back. Offer a short paid working session or a small tool if it fits. Real behavior teaches you more than a poll full of enthusiastic “love this!” comments.
No response isn’t always a verdict on the idea; your wording or reach may be the issue. But it is a reason to learn more before committing to a full product.
Step 6: Choose the smallest useful offer
An inventory can produce 20 ideas in an afternoon. That feels exciting until you try to build all 20 before lunch. Choose one idea you can test in a small, useful form.
If the customer needs personal feedback, begin with a focused service. If the steps are stable and repeatable, try a template or guide. If they need to watch the process, a short demonstration might help. Choose the format based on the problem, not on whichever product type is trending this week.
Define the finish line before you start: “A two-page checklist someone can use to draft their first five social posts,” or “A 45-minute session that ends with a workable weekly plan.” A clear finish line helps you avoid turning a modest idea into a 19-module monument to procrastination.
Set a date to show your first version to a real person. Ask where they got stuck and what was missing. Improve from what you learn. You can make it prettier later, once you know it’s useful.
Your 30-minute expertise inventory
Ready to try it? Spend 10 minutes listing problems you’ve solved, 10 minutes recording questions people ask you, and 10 minutes circling ideas that have a repeatable method and a specific person to help.
Next to your top idea, write one sentence describing the person, problem, and result. Then choose one way to test it this week: a conversation, a helpful post, a small working session, or a simple resource. Your goal isn’t to prove you have the perfect business idea. It’s to learn whether this particular solution helps someone.
Your experience isn’t a finished product just because you write it down. But it’s a much better place to start than assuming you have nothing valuable to offer. Look for the problem you can explain clearly, help solve honestly, and test without building a whole empire first.
Next step: If your inventory leaves you with more ideas than time, take a look at 3 Cubed Productivity. Its Simplify, Clarify, Amplify approach can help you choose a focused goal and make progress on the idea you decide to test. Start with one. The other 19 can wait their turn.
