Author says she has never spent more than $8 to build a 4'x4' raised bed or $35 to build a 4'x20' one. They buy two 1x8"cedar boards, which are naturally rot-resistant, & cut in half, so that it is 4-feet long. Then use a 3" length of a 1x1" pine stake, cut into four pieces, to nail the cedar boards to at corners. Each box costs less than $10.
Raised Bed Gardening How to Build Cheap Fast Productive
Portable privacy, I made these 2 planters for my daughter who lives in a rental - and needed some privacy. After some paint and plants - she'll be able to set them on her patio for instant privacy. Better yet - she'll be able to take them with her when she moves. , Patios & Decks Design