Nope.
Yes, just log in and change it anytime if you are on the unlimited plan.
Yes, there is. There are limitations, and for only $7 a month, your reach for more customers and clients is so much greater. With all the information you can put into your profile it will be the best few dollars you spend!
Because, we wanted a way to offer an inexpensive way for clients to reach their customers easily. And because it was a success so far, we opened it up to everyone as a low cost alternative to business cards or flyers.
When you download the QR code, you can send it anywhere. Use it on flyers, social media, advertisements, business cards (if you still use them!), stationary, resumes, and so much more. Just about everywhere you want people to see you and your business and/or profession.