[xone]

Lutherans believe in “con”substantiation. Not transubstantiation. There’s a big difference, although many do not detect it.

No, Lutherans don't believe in 'con'substantiation nor transubstatiation. While there may be a big difference between the two, neither is Lutheran doctrine.

[Salvation]

I’m puzzled by your post. Do you have a source for your claim? Are you a Lutheran? Perhaps I have missed something in my readings about Luther and Lutheranism.