It's no surprise that everyone has been spending more time at home these days, but people are not just nesting.  Everyone, it seems, is increasingly embracing old-fashioned DIY, self sufficiency.  And nowhere is that more evident than in the grow-your-own-food movement.  Is that possible if you don't have a garden and have limited space?  Absolutely!  Today, the focus is on that versatile, much-loved diet staple, the potato, and how surprisingly easy it is to grow with only a simple bag, or box, and a small patio or deck.  No acres of land are required, only a bit of time and patience.  So, to find out how you can turn a…