That's Sound advice.
On 2) :
Yes a longer screw is called for for a more secure door. However I will have to go to the dowels in that case or file (file thanks) as the existing screw hole would "walk" the new longer screw in at the same "not" desirable place.
Yes to the locksmith with all dat...we'll see as goofy here put the bolt lock in before taking it all there.
On 1) :
Yes the tail piece and no: "NOT a BOX STORE item
" "UM...Let me go get my manager." Maybe I'll track this down with the manufacturer of it.