While true, the "certain depth" you speak of is guaranteed to be below the 1" of the article's examples. But it would be interesting how realistic it is to jus

While true, the "certain depth" you speak of is guaranteed to be below the 1" of the article's examples. But it would be interesting how realistic it is to just excavate from your cellar into other territory. Considering quite a few bank heists have succeeded that way, it might well escape detection for a while.