The ability to be able to keep track of my pets from anywhere in the US. It also keeps me updated about what time they are next scheduled to visit. I wish it had an app that allowed you to make a schedule for multiple people. Sometimes I have to call to find out where my client is at with his/her appointment. I can see who has been to visit them and when. This helps me know when to send reminders or even make sure I am not overbooked. I love that it allows me to schedule multiple people at one time, so I can have several dogs walked or fed while only being in one spot. It also makes it easy to pay my bills online from home. The customer service was not great. You had to call them to get help and they couldn't always answer the phone. If you are looking for something to do online, this will work for you. We were able to keep track of all our pets and make sure everything went smoothly.