text: More Hunger At Investor Lunches Jeff Grass  stands in front of 100 potential investors, pitching his Alexandria-based company,    BuySafe,  a bonding service for people buying products through online retailers or auctions. He has eight minutes to wow the full house as most of those in the audience balance lunchboxes of  turkey sandwiches, peaches and brownies from Balducci's on their laps.