So they just don't suspend your account even if billing fails, then after a year or so they can go after the price for 12 months of access. Alternatively, they

So they just don't suspend your account even if billing fails, then after a year or so they can go after the price for 12 months of access. Alternatively, they can do the same as the ISPs around here: jack up the sticker price, then give a large discount - conditional on your permanence as a client for X months. If you decide to cancel, you have to pay them back the discount accrued.