Most deck problems don’t start with the build — they start with the plan.In this episode, we break down the biggest mistakes homeowners (and sometimes contractors) make when building a deck. From layout and stair placement to structural spans, permits, fasteners, and budgeting — this is the stuff that actually costs you money if you get it wrong.If you're building this season, watch this before you buy materials.Building a deck isn’t just picking a board you like. It’s layout planning, understanding traffic flow, managing water, following span charts, choosing the right fasteners, and budgeting smart.Build it once. Build it right.