The Vanguard Diversified High Growth Index ETF (ASX: VDHG) could be one of the simplest long-term investing options on the ASX.
It is designed for investors who want a diversified portfolio in a single trade, with exposure to growth assets across Australia and overseas markets.
For those with a long time horizon, this fund could be a strong buy and hold investment.
Here are three reasons why.

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Built-in diversification
The first reason to like the VDHG ETF is diversification.
Many investors start by trying to choose individual shares, sectors, or countries. That can work well, but it also requires time, research, and confidence.
The VDHG ETF takes a different approach.
It gives investors exposure to a broad mix of assets through one ASX-listed fund. This includes Australian shares, international shares, and defensive assets such as fixed interest.
That means investors are not relying on one company, one sector, or one market to drive returns.
This can be especially useful for people who want to build wealth steadily without constantly reshaping their portfolio.
The fund can still fall when markets are weak, because it has a strong growth focus. However, its broad spread of investments can help reduce the risk of being too exposed to a single part of the market.
A growth focus for long-term investors
The second reason is its high-growth profile.
The Vanguard Diversified High Growth Index ETF is built for investors with a long investment horizon. Its portfolio is heavily tilted toward growth assets, particularly shares.
That is important because shares have historically been one of the best ways to build wealth over long periods.
Australian shares can provide exposure to banks, miners, healthcare companies, retailers, infrastructure businesses, and industrial groups. International shares add access to global technology leaders, consumer brands, healthcare giants, and other major companies listed overseas.
This gives the VDHG ETF a strong mix of local and global growth potential.
The defensive assets in the portfolio can also play a useful role. They may help smooth returns during difficult periods and provide some balance when share markets are volatile.
This blend makes the fund suitable for investors who want long-term growth but still value a level of diversification across asset classes.
It keeps investing simple
The third reason is simplicity.
One of the biggest challenges that investors face is overcomplication. It is easy to own too many funds, chase too many themes, or constantly adjust a portfolio based on the latest market headlines.
This ASX ETF helps remove some of that noise. The fund gives investors a ready-made diversified portfolio, managed by Vanguard, with asset allocation and rebalancing handled inside the ETF.
This can make it easier to stay invested and add to existing positions.
Overall, for investors who want an easy way to build wealth over many years, the VDHG ETF could be one of the most useful buy and hold investment options on the ASX.