They do stop actively discharging themselves at 60%.
Now every battery has some unintended self-discharge and those are no exception, hence the "charge at least 1 once or twice a year".
That is completely independent from the intentional...
Put away and forget about them is almost guaranteed to result in dead batts, should charge them at least once or twice a year.
There is a way to revive them but you need to be aware of what that entails...
Nope, but in theory now that there would be more local business, more qualified local jobs, money staying within the country instead of being sent outside wages/standards of living should eventually increase where you can afford those $2450 like...