Hi,
I'll disagree with others here. I think that the price 1 STEEM for the lowest tier is too high. Not because it's a lot of money, but because it's a barrier to entry, practically limiting adoption. If it was at all feasible to allow the lowest tier for free, I think you should consider it.
It's also in line with what modern service providers do nowadays.
RE: chainBB's path forward - a discussion on revenue