13. Outdoor sofa
Outdoor sofas are a must for any yard, but they can often be expensive early in the season. The outdoor sofa can quickly be built from nothing but 2×4 (and the hardware, of course) and can be treated to withstand the weather through paint or stains. A 2×4 sofa will be quite heavy, so make sure you build it near where you want it to be or have a lift to help you move it!
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