To certain wine lovers, the thought of planting vineyards and producing wine along California’s Central Coast is hardly an extravagant idea, and it may account for the fact that wineries in these parts seldom change hands. So, what’s it take to get in on the fun? To keep costs down, most people start making wine in leased space or in space shared with another winery and using grapes purchased locally. Others plant vineyards on leased…