What is the cheapest way to view security cameras from iPhone?

A customer contacted CCTV Camera Pros with the following question:

I would like to simply view my home via iPhone 3G using two cameras. I am looking for the simplest and cheapest way to do this. Is there a monthly fee?

CCTV Camera Pros provided the following recommendation:

Thank You for contacting CCTV Camera Pros. In order to view two security cameras from your iPhone via 3G or WIFI, you can purchase any of these cameras:

https://www.cctvcamerapros.com/Zavio-IP-Cameras-s/404.htm

and use our free iphone app:

https://www.cctvcamerapros.com/CCTV-Camera-iPhone-App-s/362.htm

You will also need a high speed internet connection at the location where the cameras are located and a router to connect the cameras to.

Here is a link to the setup instructions for the iCamViewer iPhone app:

https://www.cctvcamerapros.com/iCamviewer-iPhone-App-Setup-Instructions-s/393.htm

There is no monthly fee to do this beyond what your Internet service provider charges you for the Internet connection. Please let us know if we can help further.