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Nearly two hours into the TDI online course and I'm just 16% through it. Geez, I'm slow...
You’re in California, it wouldn’t surprise me if that factors into why your shop charges $280. People often forget to account for location when surveying others online for prices they paid for the same course.
You are probably correct. I had mine with local standard PADI instructor, and felt that what I got was "good enough" for a standard vacation diver. Easy to understand rules, practical exposure to an analyzer and logbook, rundown on changing the setting on my computer. I have the PADI tables as well, but we never went over them because I had a computer. Little quiz at the end and a tour of the shop fill stations.
I audited my daughter's NAUI course with LandonL. He really, really knows his stuff, and it showed. Lots of theory, calculations, explanations, and history. Details on how the pO2 limits were worked out, the relative dangers of violating MOD, the likelihood of exceeding the O2 clock given her expected dive patterns, working out mixes with calculations for certain depths without tables (easier in metric than imperial, I see the advantages), practicalities of getting a hot top off fill on a partially filled tank with some nitrox in it already, analysis at the fill station, analysis on the boat, and a whole lot more.
5 in our recent group in COZ took advantage of the port closure to obtain their PADI Nitrox. $220.00 and two hours later they became Nitrox certified.. class was 150.00 and PADI take the remainder.
Nearly two hours into the TDI online course and I'm just 16% through it. Geez, I'm slow...