Livability.com announces the release of its annual Top 100 Best Places to Live list, which recognizes the best small and mid-sized communities across the U.S. The list is based on extensive research into economic variables and factors that influence quality of life, with a unique emphasis on affordability. Per Livability’s attention to cost of living, only cities with a median home value of $500,000 or less were included in the final Top 100 Best Places to Live. Analysis of average rent and home prices relative to income in each city is also part of the selection process. Pittsburgh scores hig…