ASPEN — When the time came for her to sell the mobile home park she and her son owned near Aspen, 89-year-old Harriett Noyes had two big offers and an even bigger decision: Take nearly $30 million from a developer who would likely evict her family and friends to build luxury homes, or sell to the county for a fraction of that to preserve affordable housing in one of the most expensive areas in the United States. She chose family and friends. “I could see the need for the people to have a place to live, and this was their life and they had homes,” said Noyes, who has lived in the Phillips Mobile Home Park for more than four decades.