Scott Hein of the Gardnerville Ranchos is serious about sandwiches, more specifically big, juicy submarine sandwiches.“They will blow people's minds away. These sandwiches can change lives,” the 55-year-old said, half-jokingly, last week. Hein was speaking from his hole-in-the-wall storefront in the Tillman Center, Fat Boys Subs & Such, where he's been heaping up huge sandwiches for about a year.“I felt it was the right time to do something on my own,” said the man who spent 10 years managing food services for Rite of Passage in Yerington. “I do have a talent for putting things together and making people happy.”When …