Hi Toofuzzy, Hope the hike is going well.
As to how to use the info about volatility and AIM, easy, hunt for the highest beta positions you can locate, check their history, and if they pay dividends or if they have options.
Paying dividends helps in small ways in keeping your available cash from going too low.
Options help in getting into a position by letting you sell a PUT below current market so that when it goes down in its volatility swings you get in lower than current price plus you get a few bucks for waiting.
That combo is working relativity well for me at the moment. However, if the market takes a serious dive it won't be as good as just sitting on your hands and following Orcroft's advice.
Given that we're only 7 or 8 months from matching the longest bull market in American history, I'm not sure, but sitting on our hands may make the most sense, especially given the current tariff kerfuffle and the unknown direction things will be driven.