I am about to aquire a old cabin built in the late 1800’s from doug fir. The homestead is in very poor shape. I plan on tearing it down and rebuilding it on a different location. A few of the old hand hewn logs are rotten, one corner is very bad (around 5 log ends are rotten). Can I replace the rotten ends with other logs that were used as a lean to wall? Is this a project that is way to chalenging for a do-it-your selfer? Also one wall is bowing in about 6 inches. Do you know of a g