We are looking at potentially purchasing a log cabin in Massachusetts. As far as we can tell it was maintained well and the insulation seems good with triple insulated windows. It is 1728 square ft. log cabin, it was built in 1986 and is being sold by the original owners. What should we consider in purchasing? Also, it doesn’t have a fireplace. Any suggestions on having one installed and/or cost? According to the owners each year they paint an exterior wall and interior walls have been du