I went to this site on the advise of someone. They offered a free 30 day tril for up to two units. As you go through the process, you can add extra service including extended service, rush shipment, etc. When you get to the order page, it tells you how much your card will be debited...for a free 30 day offer. I go back to the home page and try again with the same result. I never confirmed or authorized these services. I find out that the extra services are billed immediately and as I did not have funds available that day or next, I went back... read full review »