As with most things, you won't be able to do it all at once. But, if you choose the parts that work for you, this can be a great addition to your preparedness plan. Personally, we love the solar oven and vacuum sealing jars. Those are easy for us to do as we work into the rest of the plan.
Jolene was able to attend a seminar that Wendy did in Salem in November 2008. Below are parts of that lecture that someone posted for all to share. The sound isn't the greatest, but for home video, it is okay.