When you decide to garden, sometimes the natural environment fights you for the ability to do what you want. Who am I kidding, Nature's always fighting you.
At my house, we have 2 major problems, Gophers and Moles. So one of our goals was to have a garden we could keep gophers and moles out of.
It was pretty crazy to actually catch both animals in my yard.
In addition to that, we needed a separation in our yard to identify where our 26 month-old son was allowed to wander and not. With that in mind we looked to raised garden beds.
Though wood is a common material, we've had termite problems in the past and chose to stay away from attracting them again.
Eventually we came up with a solution. We had put in a vinyl fence a few years ago and had a leftover piece that we had cut from a full panel.http://www.lowes.com/lowes/lkn?action=productDetail&productId=285553-73428-66DEPAJ&lpage=none
With that piece in hand we sought out what the expense was.