When it comes to deciding between building or buying Adirondack chairs, the cost can vary depending on a few factors. If you have access to the necessary tools and woodworking skills, building your own chairs may be cheaper in terms of material costs. You can purchase the wood and other materials in bulk at a lower price and customize the design to fit your preferences. However, if you don't have the tools or expertise, buying pre-made Adirondack chairs can be more cost-effective as you won't need to invest in expensive equipment or spend time on construction.