Build a Pergola For a Deck or Patio - Rather than using the suggested concrete chunks, we just poured cement. Super easy, cheap, easily removed, and a nice way to bypass building codes (as long as it isn't attached to the house).
DIY post to hang patio lights. $25 each. Fake whiskey barrel , 8ft landscape timber and quick set concrete. Leave room after drying for dirt and flowers, drill small holes for drainage. Use zink hooks on top to tie light string. Have a level handy, it sets quickly.