Can I upgrade my account at any time?

You can upgrade your account at any time. It will take only few minutes. Just pay the price...

 I have already had a domain. Am I entitled for any discount, if I want to buy a web hosting?

No. Our price is fixed (with or without the domain registration), as we are giving away domain...

 Why No Unlimited Disc Space / Bandwidth?

You may refer this article for the answer :