Outdoor DIY Projects: 5 Mistakes Homeowners Should Avoid

Do-it-yourself has been around forever, but it gained immense popularity during the pandemic. People tried their hand at different home improvement projects to keep boredom at bay and save money on repairs and upgrades.

The trend continues, with Statista data showing that Americans spent a hefty $328 billion on DIY home improvements in 2024. In March 2025, monthly retail sales of building materials, garden supplies, and equipment in the US touched a whopping $39.8 million.

As Americans love to spend time outdoors, this mindset is reflected in the projects they take up. Outdoor DIY projects are popular as they create inviting spaces for relaxation or entertainment. Not to mention, they add to your property’s value.

However, many homeowners make some critical blunders that can turn a dream project into a costly headache. In this article, we will list the mistakes to avoid if you want to execute your next outdoor DIY with confidence.

#1: Not Budgeting for the Project

If you are planning a DIY project, money is probably the key motivation. However, homeowners often make the mistake of diving into a project without a clear, realistic budget. HGTV notes that there are several curb appeal projects you can execute within $100. For example, you can paint the front door, install window boxes, pressure clean the driveway, and replace the mailbox.

There’s also another side of the same picture. Outdoor upgrades often require more materials and labor than initially anticipated. Failing to budget can lead to many problems like unfinished projects, subpar materials, or unexpected expenses that strain your finances.

Before you start, research the costs and have an estimate of DIY materials, tools, and any professional help you might need. Adding a buffer (typically 10–20%) for unforeseen expenses will keep you on the safe side.

#2: Not Understanding the Layout of Your Yard

Is your home the same as the others in your neighborhood? Do they have the same square footage, construction, and additional features? The answer is obviously no. Every yard is unique, and not taking the time to understand its layout can cause major issues during your DIY journey.

Beginners often ignore factors such as drainage, sunlight patterns, soil type, and existing structures. Proceeding with a landscaping job without proper prep can result in poor plant growth and water pooling. You may even end up with serious structural issues with patios and decks.

Always assess your yard’s natural features and plan your project to work with, not against, them. Spend some time planning and preparing, no matter how enthusiastic you are about the job.

#3: Overlooking Safety

Safety should always be a priority, but neglecting it in the excitement of starting a new project can land you in a big problem. Failing to use protective gear, not following safety guidelines, or ignoring potential hazards can lead to accidents and injuries. Things can be worse if a visitor or guest is injured because they can file a lawsuit to claim compensation from the homeowner.

Let us consider the example of St. Louis, a city known for its love for the outdoors. STLToday notes that outdoor kitchens in the city are becoming the beacons of backyard entertainment. Residents are investing in them to elevate the seasonal dining experiences. As a DIY-loving homeowner, you may want to set it up.

Imagine a barbecue party where a guest gets hurt because of a slip and fall mishap, just because the landscaping was not done properly. They can consult St. Louis personal injury lawyers to file a lawsuit against the homeowner. All because they ignored the safety considerations while designing the backyard.

According to TorHoerman Law, such claims come under the premises liability law. Anyone hurt on a person’s premises due to their negligence can bring up a claim against them. This is a big reason to pay attention to safety during and after your DIY project.

#4: Choosing the Wrong Materials

Selecting materials based solely on appearance is a common mistake that even the most seasoned DIY-ers can make. Materials that look great in a magazine or website can be misleading and useless. Many times, they might not hold up in your climate or suit your intended use.

For example, porous stones look beautiful but they may break down in areas with freeze-thaw cycles. Similarly, glossy finishes can become dangerously slippery when wet. They increase the risk of injuries and lawsuits as explained before.

Always choose materials suited to your local weather, usage needs, and maintenance capabilities. Investing in quality materials upfront can save you from expensive repairs or replacements later. Don’t skimp on quality, even if you need to spend a little more.

#5: Not Hiring Experts Where Needed

DIY projects can be rewarding, but you cannot rely on your skills for some tasks. Southern Living has a list of projects homeowners should never pick on their own. The road to DIY can be dangerous, particularly if you lack the skill set required for some projects. For example, you can fall sick if you try removing mold, lead, or asbestos from an old home.

Electrical, plumbing, and gas-related projects are also best left to licensed professionals. That is because mistakes here can be dangerous and costly. Even for less risky projects, such as building a deck or installing a hot tub, it is best to call experts.

Don’t let a desire to save money tempt you into taking on more than you can handle. Understand your limitations and call in the pros when necessary.

FAQs

What are some popular DIY projects?

Painting is perhaps the most popular DIY project for US homeowners. When it comes to outdoor DIY projects, building fire pits, creating garden beds, laying patios, and adding seating areas are common. These projects can be tailored to your skill level and budget, making them accessible to most homeowners.

How to prepare for your first DIY project?

Planning is essential for any DIY project, even more so for your first one. Start by choosing a manageable project within your novice skill set. Research thoroughly, plan each step, and gather all necessary tools and materials before you begin. Ensure safety at all times and seek advice from experienced DIYers or online resources.

Which DIY jobs can go wrong?

Jobs that commonly go wrong for DIYers include electrical work, plumbing, gas installations, and large-scale structural projects. Mistakes in these areas can lead to safety hazards, property damage, and expensive repairs. The best way to tackle these complex or high-risk tasks is by calling experts.

Outdoor DIY projects can add beauty and value to your home, but you shouldn’t pick them up on impulse. They should be approached with careful planning and respect for the challenges involved. Avoiding the common pitfalls is equally important. Being insightful about your next DIY project will set you up for success.