Shop local. Big box hardware stores are NOT the place to buy lumber for projects like this. If you need a stack of kiln dried 2x4s, sure. If you're timber framing or making yourself a work bench, you can save money and get better lumber by shopping at a local sawmill. Yellow pine is a dollar a board foot for us. Some places it's a little more. Some places it's even less. Do the math. 4x4x120 = 1920. 1920/144 = 13.33 board feet. That's your leg materials cost. Top is (4x10x48)/144= 13.33. You're

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African Mahogany Lumber Available - Wood Vendors

No relief for DIYers: Lumber’s retail price hits all-time high—up 323%