I have "several" hundred rounds of Winchester Ranger 230gr +p for my .45s. It functons beautifully in all of them.
However, I only burn a mag or two every six months of my carry ammo (I go through over 1000 rounds of my handloads in the same timeframe).
Now, here's the thing: the HST has now pretty much proven to be a better choice, but I still have many years worth of Ranger available.
I can use the Ranger as range ammo, which would be silly as I handload range ammo for ~$5/box of 50...
I can try to sell the Ranger, but will not get anywhere near what it will take to replace it with HST...
I can continue to carry the Ranger for the next 10 years, knowing that I am passing up a "better" perforrming ammo...
Any of these options sound like a good one?
So, my advice is, buy ammo as you use it, and as newer/better technologies become available, buy that too. Make sure you put enough of it downrange to verify reliable function.