I signed up to 4 annual-billed VPS's with clancoms.com, and besides the fact their servers are not very reliable, what they did just now is completely unprofessional.
Their annual VPS plan allows you to add up to 5 extra IP addresses for $2 each per year, which adds $2 for each IP to the ANNUAL bill.
I paid that at sign up, and now a month later they are saying I need to ALSO pay $2 for each IP per MONTH, even though that is not what I signed up for. The sign up invoices clearly show it (plus their sign up form still only adds $2 per IP to the annual bill, not $2 per month).
And instead of offering a refund to me for the fact they are not supplying me what I paid for when I signed up, they are flat out refusing to do that!
So avoid ClanComs at all costs!