Yes! You can upgrade or switch to any of the hosting options we have available, at any time. If upgrading, you will be billed the aditional amount (subtracting the cost of the package you already have from your upgrade). If downgrading, your new hosting option will be applied to your account at the end of the billing period.
No. You will have to purchase domain names from a domain registrar. We do not currently sell domains.
Excellent question. The current price for each option:
If for some reason you are unable to make the payment on time, one of two things can happen. If you contact us prior to the due date of the payment, we will make arrangements for you to keep your account active, provided you have plans of paying the amount in your next billing period. If we don't receive a payment within three days of the due date and are not notified, the account will be closed.