I mean, if a HDHP plan costs 400 / mo and a regular plan costs 1000 / mo, you get to save the 600 and let that compound over many years (if you don't use it), r

I mean, if a HDHP plan costs 400 / mo and a regular plan costs 1000 / mo, you get to save the 600 and let that compound over many years (if you don't use it), rather than lose the 600 in insurance premiums.