I believe they actually did have it as a subscription model at one point (I think it was at a time that it was a choice of either $400 one-time, or $99 for the

I believe they actually did have it as a subscription model at one point (I think it was at a time that it was a choice of either $400 one-time, or $99 for the kit + extra for the subscription), but I guess they have more competition now, plus it's cheaper?