Any DIY home improvement or renovation project comes with some potential downsides. The biggest issues with a DIY project are the quality of workmanship and the safety issues that come with it. Building a deck can be a major project and not something you can get done in a weekend. And unless you’re a near-pro home handy-person or a carpentry savant, it’s unlikely that you’ll be able to deliver the same high-quality work that you can expect from a professional. As experts in the field, Oasis Design and Build Inc have written down reasons as to why you shouldn’t DIY building a deck.