In some cases, the expense is easily recouped. In most cases, it is best to seek other means to have lumber cut. When buying or cutting logs for a timber frame, it is very important to choose the ones most suitable for high-quality beams. Bowed logs make bowed beams even if they are cut straight. Do not choose logs with large knots.
Large knots weaken the beam.
Do not choose logs that have been cut for a long time. Pine logs will have beetle damage. Watch for rot in the butt end of the log. Make sure the diameter of the log is large enough for the beam you want. The best choice of wood is based on several factors.