As Tri-City home prices climb, so does their value.In the last three years, Vicki Monteagudo, broker-owner at Century 21 Tri-Cities and NAI Tri-Cities, said she’s observed a 10.4 percent home appreciation rate.“Some areas have hit double-digit appreciation in the last 12 months alone, especially in those more lower-end prices,” she said.The Tri-Cities...