Over the years we have (my daughter for the most part) has been up, worked on aloft and inspected many rigs. This is the time of the year where we head down to the marinas to eye ball many of the rigs that will spend the off season on the ground. My son Eric, who is our main rigger, can spot a broken strand form 30 feet. We have saved many a rig from future failure just by a simple look see.
If you are taking your rig down for the off season take the time to look at each and every piece of gear up there. This investment in time can save your boat from unnecessary issues from a lost fitting or broken item in your standing rigging. Remember, when a mast comes down it is the weakest link that starts the whole event. If you do not feel you are at all competent, hiring a rigger for a professional opinion can be a great investment.
Just food for thought...
Dale Tanski
Good advice!
Having a pro go over the rig can also be educational. As with any survey, you can learn a lot by watching the inspection process.