Choosing Income Opportunities in Your 30s, 40s and 50s

To broaden your opportunities to earn money, don’t treat your current success as a guarantee that your next choice will work out. In your 30s, distinguish praise from interest. In your 40s, identify your own contribution to your organization’s results. In your 50s, it is sensible to test new work while keeping enough resources to cover your living expenses.

The figures in the 20-10 thought experiment are based on an article Jim Collins wrote on December 30, 2003.

Career choices by age

The age groups are a framework for reviewing your career. They are not statistics showing that people make particular mistakes more often at particular ages. Apply the framework based on your current role and income situation rather than your age.

These criteria can apply to other age groups too. Keep the question of what interests you separate from the question of how to make a living. Work you enjoy may not provide income right away.

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Coordination skills can transfer to other roles.

How can you distinguish praise from aptitude in your 30s?

Praise alone makes it difficult to determine your aptitude. It is an assessment that you did a job well under certain conditions. Observe separately whether you want to keep learning how to do that work.

CareerOneStop assesses skills, interests, and work values separately. It does not present assessment results as a definitive answer about your career path. You can see these distinctions in CareerOneStop’s self-assessment guide.

Consider two employees praised for producing the same Excel report. One feels only relief when it is submitted. The other enjoys the process of fixing errors. Even with the same evaluation, they may experience the work differently.

Comparing lack of skill with lack of interest

Identifying why work is difficult makes your next choice more specific. If a task is hard because you are inexperienced, practice and then observe your reaction again. Don’t decide that a job is a poor fit based on fatigue alone.

The table is not a set of criteria for diagnosing aptitude. Record the type of work along with the working conditions that day. Use the record to see whether your reactions recur under different conditions.

Using the 20-10 thought experiment and understanding its limits

The 20-10 thought experiment asks you to reconsider how you prioritize your time. Jim Collins introduced it as an assignment he received from a mentor. You can read the original 2003 article on the Jim Collins official website.

The original asks you to imagine inheriting 20 million US dollars with no conditions attached. It also asks you to assume you have 10 years left to live. You then consider what you would change and what you would stop doing.

The amount and timeframe are not actual financial goals. Don’t use your answers as a score that determines your aptitude. You can use them as a starting point for identifying work you want to do less of now.

1. Write down which parts of your current work you want to do less of.
2. Distinguish whether the reason is the work itself or the working conditions.
3. Separately, write down what you want to keep learning.
4. Decide how to test it while maintaining your current income.

What should you separate from company results in your 40s?

Explain company results by distinguishing organizational support from individual actions. A company’s name recognition can affect a contract. An individual’s negotiation skills can also contribute to the result. Don’t assume without evidence that either accounts for everything.

Consider a team leader who secures a contract worth 5 billion won. This is a hypothetical contract value for illustration. The size of the contract alone cannot prove that the team leader could sell independently after leaving the company.

Don’t assign arbitrary percentages just to separate contributions. The task is to specify what you actually did. Compare those actions with job postings to see whether other organizations need them too.

Does management work count as a skill?

Coordination and time management are also skills used at work. Abilities you can use in other jobs are called transferable skills. Describe your career in terms of the functions you performed rather than your title.

O*NET classifies negotiation and coordination as transferable skills. Time management and problem-solving are also on its list. You can find detailed definitions in O*NET’s skills classification.

When you ask colleagues about your strengths, request actual examples too. It is better to learn when you were helpful than to rely on vague praise. Try connecting those examples to the requirements of the job you are applying for.

Comparing reemployment and starting a business in your 50s

Compare your options for your next job based on income structure and required resources rather than job titles. A long employment history does not automatically guarantee that you can run a business. Liking coffee is also different from being able to run a café.

Your current employment income can support your living expenses while you explore. You do not necessarily need to resign before starting new work. Check your working hours and current contract terms to see whether you can do both.

The SBA’s business planning guidance recommends researching market demand and competitors’ prices. It also separates startup costs into initial and monthly expenses. You can find the relevant items in the SBA’s business planning guidance.

Get actual quotes before committing a large sum of money. Don’t judge whether a business is viable based only on projected sales. You also need operating costs to see how much remains after a sale.

A guide by situation: What should you test first?

It is sensible to test what you have not yet established. Uncertainty about your interest is different from uncertainty about customer demand. Even when preparing to start a business, what you should do first will differ.

Small tests also use time and money. Set limits on the resources you will use before starting. Writing down when you will stop also makes decisions more concrete after a loss.

Where is the lack of market response occurring?

A lack of market response gives you something to examine by possible cause. The way you explain your offer may be the problem. Keep open the possibility that it signals a lack of actual demand.

The table below is a framework for examining customer demand and your offer separately. A lack of response alone cannot establish the cause. Choose your next question based on the stage you have observed.

Also distinguish the length of your career from a customer’s reason to buy. Customers assess whether you can solve their problem. Simply saying you have worked for a long time does not convey that ability.

1. Write down whose problem you will solve and what it is.
2. Specify the scope of your offer and what you will deliver.
3. Set limits on the time and money you can commit.
4. Record responses at the inquiry and purchase stages.
5. Use the results to decide what to change or stop.

Common mistakes: What it means to keep exploring

Continuing to explore does not mean continuing to spend money on the same product. You can stop pursuing one offer while exploring other work. Judge your value separately from a business’s results.

Stopping a new attempt is also an option worth considering. You can prepare your next offer while maintaining your current source of income. Decide what to change based on the responses you recorded rather than the label of failure.