I think it's a good number. Certainly by the time you get 100 dives in you've shown that you're comfortable in the water, should have a better air consumption rate and understand the risks involved.
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<DIV>I know some technical courses that require more skills than that of an instructor as well, instructors are not gods IMO. Nor are they the best divers out there.</DIV>
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<DIV>I will say I can't do what they do, I don't have the patience nor desire to do that and I RESPECT them HIGHLY for giving so much of their time away to instruct others.</DIV>
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<DIV>Yes, I've dove solo and will do so again. If it's a new area I want a buddy, but if I've dove it enough to know it then I'll do it solo. I'm not a brave adventurer by myself.</DIV>