TV: Food That Magically Regrows Itself from Kitchen Scraps - Eating well is expensive… Buying produce that is organically grown is not cheap. -- Save a few bucks off your grocery bill by growing a few of those staples from your diet.
How to make a Sub-Irrigated Planter. I'm not sure I would use a two liter plastic bottle though. Over time I would fear the plastic breaking down enough to poison the plant. Perhaps a wine bottle instead.