
Not everyone thinks about writing their Will and planning their estate, but it is something you need to understand to properly secure your future and protect the people you care about. It is easy to put it off or assume it can wait, especially when life is busy. DIY Wills are convenient and accessible, but many people underestimate what is involved and what can go wrong.
A Will is more than just writing down who gets what. It must meet strict legal requirements and clearly reflect your intentions. Small errors, vague wording or missed steps can create serious problems later.
This blog will discuss common Will writing mistakes and how you can create a solid legal document that genuinely protects your wishes and minimises the risk of disputes.
What Makes a Will Valid?
The person creating the Will (also called a testator) must have the mental capacity to comprehend the nature and effect of their actions when making it.
The testator needs to clearly express an intention to put in place a document that is legally binding and outlines asset distribution wishes. If there are doubts for any of the above, this causes influence concerns and risks the validity of the entire Will.
The Will itself must be in writing. This can be typed or handwritten, but a physical copy
needs to be signed by the testator and someone in their presence. Two independent witnesses must be present during the time of signing and will also sign the Will.
Whether you are beginning this process online or on paper, writing the Will is simple, but family dynamics, rushed processes, and errors make it more complex. So, what should you avoid?
Mistakes That Can Be Made

You aren’t seeking professional advice
Online Will services make this easier, cheaper, and more accessible; however, the level of legal support is not always reliable. Mistakes increase.
You are using incorrect language and unclear instructions
When a Will is impossible to interpret, it creates potential for challenges and disputes. For example, family members may dispute over what the testator meant, which can roll over into a big legal battle. This is not something you want to leave behind.
You have not considered your assets and beneficiaries properly
Asset inventory sounds complicated and a bore to deal with, but at the end of the day, it removes an expensive legal battle down the line.
List every single one of your assets. Take the time to carefully identify and document all of your assets. This should include real estate, investments, bank accounts and personal belongings, as well as digital assets such as cryptocurrency, online accounts and other digital components of your estate.
It is also important to consider who you wish to provide for after your death, and who may have a potential entitlement to make a claim against your estate.
The executor has been poorly selected
Appointing the wrong person may not invalidate your Will, but can lead to delays, mistakes and stress for your beneficiaries.
Choose someone you trust who is capable of managing the responsibility and speak with them beforehand to confirm they are willing to take on the role.
You have not updated the Will
Like life, your Will should not remain static. Major life events, such as marriage, divorce, the birth of children, or changes to your financial position, can affect both its validity and how your estate is distributed.
Reviewing and updating your estate plan ensures it continues to reflect your current circumstances and wishes.
If you have made mistakes, these are some of the problems you might face:
- Intestacy issues, meaning someone has passed away without making a Will, and their estate is distributed as per the statutory rules of intestacy.
- Blended family conflicts, such as children from previous relationships and disputes over dividing up assets.
- Challenging the validity of the Will.
- Family provision claims.
- Executor disputes with beneficiaries regarding the management of the estate.
- Indigenous estate considerations.
Read our blog: Updating Your Will Before the New Year: Why It Matters More Than You Think
Do you require a Will dispute lawyer?
Wills are messy, emotionally-charged, and confusing. Gryphon Will dispute lawyers support Campbelltown residents. Our expertise extends to commercial law, including business transactions and restructuring.
We also provide experienced representation in criminal law matters, with strong knowledge of Campbelltown’s local court processes.
Whether you are dealing with intestacy, contesting a Will, navigating a blended family estate, or managing property transactions, our team delivers clear, personalised legal advice to protect your interests. We also offer comprehensive residential and commercial property law and conveyancing services.
Learn more about us and what we do.
Speak to a Caring Legal Team
Let’s help you move forward, resolving your dispute or planning your estate confidently. Local lawyers who are there for Campbelltown cases, Gryphon Lawyers offer a range of legal services with a commitment to local needs and community values.
Contact us today to avoid Will mistakes. Feel free to call (02) 4656 1834 or email jc@gryphonlawyers.com.au if that is your preferred communication.
Schedule a free consultation with us.
Jack Chanthivong
As Founder and Principal, Jack Chanthivong has over a decade of legal experience across the firm’s key practice areas. What drives him most is working closely with clients and guiding them through what can often feel like complex or overwhelming situations.
His philosophy is simple: make it clear, make it straightforward, and remove the unnecessary complexity. Because understanding the legal detail is our job — not yours.
If you need clear, practical advice, Jack and the team are here to help.

