Building a house on bohol

Richard Dicky Perkins has posted video diaries on you tube
If you require assistance on protocol and prices for labour / materials I'll be happy to assist

Hello, i will be building a very small two story house on gf family property, i have permits, and plans, but i will need a contractor i think, i will be back to Boctol, Bohol, in October, the old building needs to be torn down, how should i find a builder, two concrete retaining walls, with concrete post into the ground, thank you, Gerard