Why Growing Your Income Is the Biggest Lever

Most money advice is about spending less. That advice works, but it has a floor: a household can cut only down to what it needs to live, and every cut after the easy ones gets harder to keep. Income has no such floor and no fixed ceiling. For most people in their working years, the size of their pay is the single biggest number in their financial life, and small changes to it compound for decades. This chapter explains why growing income is the strongest lever you have, the five ways income actually grows, and the habits of mind that quietly hold people's pay down.

Why earning more beats cutting more

Picture a household that saves the gap between what it earns and what it spends. It can widen the gap from either side. Cutting spending helps immediately and costs nothing, and for anyone spending more than they earn it has to come first. But the savings from cutting are limited by the size of the spending you can live without, and they arrive once.

A raise works differently in three ways.

• It repeats. A higher salary is paid every year you stay at that level, and it becomes the base for the next raise, which is usually a percentage of what you already earn.
• It raises everything tied to pay. Employer 401(k) matches, many bonuses, and future Social Security benefits are calculated from your earnings.
• It has no fixed upper limit. The gap between the median and the top earners in most occupations is wide, as the Bureau of Labor Statistics' occupational wage data shows for almost every job title.

Neither lever replaces the other. The household that grows its income and keeps its spending steady is the one whose savings rate rises fastest.

What a raise is worth after tax

A raise is taxed at your top rate, not your average one. Here is a single filer earning $60,000 who receives a 10% raise to $66,000.

Federal income tax rises from $5,020 to $5,740. Every dollar of the raise falls in the 12.0% bracket, and 7.65% goes to Social Security and Medicare, so roughly four-fifths of it reaches your account before any state tax. That is much more than most people fear when they worry a raise will push them into a higher bracket. The raise calculator does this for your own salary, state and filing status.

The bigger question is what happens to the money. The usual pattern is that spending rises to meet it within months, a habit called lifestyle creep. One proven way to avoid that is to decide in advance how much of each raise you will save. Research on the Save More Tomorrow program found that workers who committed ahead of time to raise their savings rate with each pay increase sharply raised their savings over a few years, mostly because the increase happened before they got used to spending it.

If this filer saves $200 a month from the raise, about half of what reaches their account, and invests it at a steady 7.0%, the habit is worth about $156,608 after 25 years, of which $60,000 is money they put in. The other half of the raise is still there to enjoy. The lifestyle creep calculator shows what spending every raise costs over a career.

The five ways income grows

Every increase in pay comes from one of five places. Knowing which one you are pulling helps you judge how fast it can work and what it costs.

Changing jobs deserves special mention. The Federal Reserve Bank of Atlanta's Wage Growth Tracker has long shown that people who switch jobs have typically seen faster pay growth than people who stay, with the gap widest when employers are competing hard for workers. Staying can still be the better choice when a promotion is close, when unvested retirement money or equity is at stake, or when you are still learning fast. Chapter 4 covers how to find out what the market pays for your work, and Volume 2 on this shelf covers career moves in depth.

The habits of mind that hold pay down

Pay is set by markets, but the way people approach those markets is shaped by beliefs they rarely examine. Three patterns come up again and again.

Anchoring on your own history. People judge a salary by comparing it with what they earned before, or what their parents earned, rather than with what the market pays today. Psychologists call this anchoring: the first number you see pulls every later judgment toward it. A first job that paid little can make a merely average offer feel generous for years. The fix is to replace your personal history with current market data, which chapter 4 shows how to gather.

Money scripts. Researchers who study financial behavior have identified recurring beliefs about money, formed early and rarely questioned. The Klontz Money Script Inventory groups them into four: money avoidance (money is bad, or the well-off are greedy), money worship (more money will solve everything), money status (self-worth equals net worth) and money vigilance (money must be watched and kept private). Avoidance in particular is linked with lower income and net worth. Noticing which script you hear in your own head is the first step to not being run by it.

Valuing time instead of results. If you think of your pay purely as hours sold, the only way to earn more is to work longer. Employers and clients ultimately pay for results: problems solved, revenue won, costs avoided, time saved for others. People who can describe their work in those terms tend to negotiate better, because they are talking about value the other side already cares about. Chapter 5 turns this into a plan.