As with most other things, it is wise to comparison shop before signing an agreement for a virtual office. While many virtual offices may come with similar service levels, how you pay for these services can vary widely. Sometimes a provider will post their fees on their website. Sometimes the fees are hidden so you may need to ask some very specific questions. Here are the questions you should always ask.
Is there a setup fee?
This is a reasonable fee to help your new provider cover the expense of establishing your office. This probably includes adding you to a database and setting up your mail forwarding information. If you choose a telephone service, it will also include establishing the phone service.