Share your opinion and earn yourself a free Motley Fool premium report!

We are looking for Fools to join a 75 minute online independent market research forum on 15th / 16th December.

To find out more and express your interest please click here

It’s possible to build a 5-figure second income investing under £100 a week. Here’s how!

Is it really possible to earn a second income by investing regularly in dividend shares? Christopher Ruane explains how it could work.

| More on:
Businessman with tablet, waiting at the train station platform

Image source: Getty Images

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.

People try different things to earn a second income – including taking on a second job. Could there be easier ways to try and earn some extra money?

A much less time-intensive but potentially lucrative approach involves buying a diversified portfolio of shares in blue-chip companies that pay dividends to their shareholders.

That can be done even on a fairly modest budget. So here is how someone investing less than £100 per week could aim to grow a second income this way.

A slow and steady approach to building income

Let’s say someone invests £90 a week. Over the course of a year, that would add up to £4,680. If that was invested at a 6% yield, it should earn around £280 a year in dividends.

A yield is simply the amount earned annually expressed as a percentage of what is paid in. So 6% of £4,680 is just over £280.

This could be a good start. Six percent is above the average FTSE 100 yield but I see it as achievable in today’s market.

However, by taking a long-term approach, this could become even more lucrative.

Looking to the long term

For example, say an investor keeps putting in £90 a week and compounds the portfolio at 6% annually. Compounding basically means reinvesting income so that dividends in turn can earn dividends.

After 20 years, the portfolio ought to be worth around £177k. At a 6% dividend yield, that should earn a bit over £10k a year in dividends.

So in two decades, putting £90 each week into shares would have built to generate a five-figure second income each year.

Making some smart moves

Getting this right would require making the right choices.

One important choice is how to invest. For example, this could be through a share dealing account, dealing app or Stocks and Shares ISA. Another important choice, of course, is deciding which shares to buy.

I use the plural here because even the best business can run into difficulties, so the savvy investor always diversifies across different shares.

Finding shares to buy

One share I think income investors ought to consider is Legal & General (LSE: LGEN). The FTSE 100 financial services company currently offers a dividend yield of 9%. It also aims to grow its dividend per share by 2% annually.

No dividend is ever guaranteed and so whether the firm maintains its payout, let alone raises it, will ultimately depend on its financial performance.

I think it has a lot to like as a business, including a proven business model. It already has a large customer base and thanks to its strong brand and well-known name, it could hopefully grow that over time.

I also like the company’s focus on retirement-linked products as this is a large market that is likely to endure over the long term.

Still, the sale of a large US business may hurt Legal & General’s future revenues and earnings. Another risk is that volatile stock markets may lead some policyholders to pull out funds, hurting profits.

From a long-term perspective though, I think it is a share worth considering for investors seeking income.

C Ruane 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

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

Here’s how much passive income someone could earn maxing out their ISA allowance for 5 years

Christopher Ruane considers how someone might spend a few years building up their Stocks and Shares ISA to try and…

Read more »

Man putting his card into an ATM machine while his son sits in a stroller beside him.
Investing Articles

Was I wrong about Barclays shares, up 196%?

Our writer has watched Barclays shares nearly triple in five years, but stayed on the sidelines. Is he now ready…

Read more »

Wall Street sign in New York City
Investing Articles

Up 17% in 2025, can the S&P 500 power on into 2026?

Why has the S&P 500 done so well this year against a backdrop of multiple challenges? Our writer explains --…

Read more »

National Grid engineers at a substation
Investing Articles

National Grid shares are up 19% in 2025. Why?

National Grid shares have risen by almost a fifth this year. So much for it being a sleepy utility! Should…

Read more »

Road 2025 to 2032 new year direction concept
Investing Articles

Here are the potential dividend earnings from buying 1,000 Aviva shares for the next decade

Aviva has a juicy dividend -- but what might come next? Our writer digs into what the coming decade could…

Read more »

Person holding magnifying glass over important document, reading the small print
Investing Articles

Just released: our top 3 small-cap stocks to consider buying in December [PREMIUM PICKS]

Small-cap shares tend to be more volatile than larger companies, so we suggest investors should look to build up a…

Read more »

This way, That way, The other way - pointing in different directions
Investing Articles

Is the unloved Aston Martin share price about to do a Rolls-Royce?

The Aston Martin share price has inflicted a world of pain on Harvey Jones, but he isn't giving up hope…

Read more »

Surprised Black girl holding teddy bear toy on Christmas
Investing Articles

How much do you need in a Stocks and Shares ISA to raise 1.7 children?

After discovering the cost of raising a child, James Beard explains why he thinks a Stocks and Shares ISA is…

Read more »