Putting £100 aside each month? Here’s how I’d aim for £17,530 of passive income

Plenty of us put money aside, but it’s how we make it work that counts. Dr James Fox explains how he’d try to turn £100 a month into a passive income.

The content of this article was relevant at the time of publishing. Circumstances change continuously and caution should therefore be exercised when relying upon any content contained within this article.

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More.

Stacks of coins

Image source: Getty Images

Many individuals invest with the aim of generating passive income. This means having a financial strategy that involves setting money aside today to grow wealth and generate substantial returns in the future.

However, the way in which we make our money work determines how much passive income we’ll eventually be able to receive.

If I leave all my money in a low-interest savings account, the cash is safe. But I won’t see much growth, and may not even keep up with inflation.

I invest for stronger returns and eventually more passive income.

Investing vs saving

While saving is often viewed as a conservative approach, providing liquidity and preserving capital for short-term needs, traditional savings accounts offer minimal returns.

The best interest rates are currently hovering around 5.15%. However, with expected cuts to the Bank of England base rate, it won’t stay like this for long.

By contrast, investing introduces an element of risk while offering an opportunity for long-term wealth growth. While my HSBC savings account offers a yield of 2%, I aim for double-digit returns when investing.

Monthly contributions

Not all of us are fortunate enough to start our investment journey with a lump sum. For many, the path to financial growth begins with regular, disciplined savings. This is often in the form of automatic savings or contributions.

The power of consistency cannot be overstated, as even modest contributions, such as £100 a month, can accumulate over time, harnessing the magic of compounding.

By committing to a systematic approach, I can steadily build my investment portfolio, creating a foundation for long-term wealth and financial security.

Compounding returns

The key to building substantial wealth with a modest monthly investment lies in the concept of compounding returns.

By reinvesting returns year after year, compounding accelerates wealth growth.

This self-reinforcing cycle capitalises on exponential growth, earning interest on both the initial investment and its accumulated returns.

Created at thecalculatorsite.com

This chart shows how a monthly investment of £100, with a modest 8% annualised return could grow to £230k over 35 years.

In turn, this could potentially generate £17,530 in passive income annually without withdrawing from the manin amount.

Of course, the greater the annualised rate of return, the more money I’ll have in the long run.

It’s true, however, that I may not achieve an 8% return. This is dependent on my ability to make savvy investment decisions as well as the direction of global markets.

Sensible Investments

Investing involves risks, and that means making informed and sensible investment decisions is crucial.

The thing is, losses can compound too. If I lose 50%, I need to gain 100% to get back to where I started.

Rather than attempting to cover every stock on the market, creating a shortlist and comparing these with analyst recommendations can be a strategic approach.

My personal strategy starts with metrics. I’m looking for companies that stand out as being cheaper than their peers.

I follow this up with broader research, and then comparing my findings with other analysts and brokerages.

James Fox has no position in any of the shares mentioned. The Motley Fool UK has no position in any of the shares mentioned. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

Lady wearing a head scarf looks over pages on company financials
Investing Articles

Is April a good time to start buying shares?

Wondering whether now's a good time to start buying shares to build wealth? History suggests it is, says Edward Sheldon.

Read more »

A senior group of friends enjoying rowing on the River Derwent
Investing Articles

How much passive income could a Stocks and Shares ISA pump out every year?

Regular investing inside a Stocks and Shares ISA could lead to the equivalent of £141 a week in tax-free passive…

Read more »

Fans of Warren Buffett taking his photo
Investing Articles

With the FTSE 100 down 5%+ investors should remember this legendary quote from Warren Buffett

Warren Buffett is widely regarded as the greatest investor of all time. And he says that the best time to…

Read more »

Inflation in newspapers
Investing Articles

1 FTSE 100 stock that could benefit from higher inflation

For most companies, inflation is a risk. But for one FTSE 100 firm, higher input costs could be an opportunity…

Read more »

Man hanging in the balance over a log at seaside in Scotland
Investing Articles

The 2026 stock market sell-off could be a rare opportunity to build wealth in an ISA

The recent stock market sell-off has led to some shares falling 20% or more. This could be a great opportunity…

Read more »

Thoughtful man using his phone while riding on a train and looking through the window
Investing Articles

It’s down another 13%! Analysts were dead wrong about the Greggs share price

The Greggs share price continues to fall and analysts have been revising their share price targets down further. Dr James…

Read more »

Burst your bubble thumbtack and balloon background
Investing Articles

Is the stock market about to reach breaking point?

Private credit has a problem with the emergence of artificial intelligence. And it could be set to create issues across…

Read more »

BUY AND HOLD spelled in letters on top of a pile of books. Alongside is a piggy bank in glasses. Buy and hold is a popular long term stock and shares strategy.
Investing Articles

A once-in-a-decade chance to buy this S&P 500 stock?

As investors focus on oil prices and the conflict in Iran, Stephen Wright's looking at potential opportunities in the S&P…

Read more »