Shop on the hill for Victoria and my sons hobbies

Thank you all for the advice, and yes the roof will be spray foamed and walls bat Insulation, heat will be a heat pump and a/c from a friend that owns his own heat and air system co, I don't do fumes from some heaters well (I am one of the lucky ones that fall on the floor if the 02 is high) so a heat pump is the way to go for me 3 1/2 tun unit.
Well things came to a stop, a friend of the family is in Memphis having cancer removed from his bladder . Prayers this morning as he is in recovery, my son is there with his co worker/partner so my garage doors have not showed up to be installed yet.. I have been working on the meter base install, cold and windy lets me dig a few inches at a time by hand. Blessed is this man on the hill..