71 Potter Built 20CC

[Flatinfifth]

I'm looking at a 71 CC Potter Built CC that recently came up for sale.

OK......what should I look for when looking at the hull.
Transom condition: How do I assess rot in the wood.
Hull condition: What areas are most prone to cracks and how do I look for them
Stringer condition: How do you inspect these (can you inspect the stringers?)
Bilge condition:
As you will note, a metal bracket has been added to the transom. Motor is Merc 150.
In short, what is a good way to assess the hull condition.

Thanks,

Flatinfifth