The cost to dig a full basement verse a crawl space was minimal as was the cost of the additional concrete to pour the walls.
Putting a door in a concrete wall.
The opening should be two inches wider than the door frame and about an.
Once you locate a wall then find out the actual position of the door.
How to put a door into a concrete block wall.
The best place to install a door into a masonry brick wall is in a non load bearing wall.
I forget now but maybe it was 800 more to dig and pour a full basement and it cost 450 for cutting a door in a concrete foundation.
Score the lines for your opening with a circular saw.