About how I am, There's a thread in OT about it.

mostly ok right now.
Yes. As everyone else has said the hoses can be replaced/repaired as long as the alloy parts are OK.
I strongly recomend only crimped ends be installed. (The new sleaves are much stronger than they used to be.) If you do use clamps make sure they are rated for AC work. The AC ones are heavier made than cooling systems clamps. I don't recomend clamps at all on high side lines. They just won't stay reliably most of the time.
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Lake Superior? Is that what I stepped in? Sorry.