If you have your customer data (or even reservation data) in some other electronic form, it can probably be imported to Campground Master. This can help jump-start the process so that you don't have to start re-entering customers from scratch. However, we recommend entering at least several customers and reservations yourself as practice before going live -- you need to get familiar with the process. In fact, if you have the time or help to enter your entire customer database manually, it's not a bad idea to do so to make sure it's entered in the best format possible, and so that all possible fields are covered.