I would pay if you find a way to avoid excluding people who are assets to this community, but don't want to or can't pay. Maybe there could be a system of free

I would pay if you find a way to avoid excluding people who are assets to this community, but don't want to or can't pay. Maybe there could be a system of free trial that would extend to a free yearly subscription for people whose karma is high enough by the end of the trial period?