[pjc50]

Step 3: if you do go in the submarine, don't go in a submarine built by a maverick billionaire/millionaire. https://en.wikipedia.org/wiki/Murder_of_Kim_Wall / https://en.wikipedia.org/wiki/Titan_submersible_implosion

[chrisdalke]

If you do find yourself in a situation where you are forced to ride in a billionaire's submarine, just make sure it's the billionaire who is fanatically obsessed with deep sea exploration...

https://en.wikipedia.org/wiki/Deepsea_Challenger