Triumph Refit - Through-hull fittings

When we bought Triumph, she had 23 (Yes, 23!!!) "holes" in the hull.  Many of them were still in service, but many were abandoned equipment such as depth sounder or had fittings that were in need of repair.  We ending up removing and filling/glassing-in 10 through-hull fittings and seacocks.  We have since added 1 or 2 but we are much more comfortable walking away from the boat after a weekend aboard knowing that sources of water into the boat are in good working order.  We are a little OCD about shutting the boat down for the week, justifiably so since more boats sink at the dock than anywhere else.  We always close the seacocks on the galley and head sink drains, engine cooling water intake and ship/raw water intake.  We hang the ignition key on the engine intake to make sure we open it before starting the engine.