lol, well it was worth a try, how i don't believe that it could possibly use too much bandwidth on a 2 minute refresh, I highly doubt this website gets that amount of traffic that it would overload a decent webhost, unless of course, its not hosted on a decent host, in that case, it probably would...
* Im a webdesigner , very familiar with bw controle and even more familiar with databases and the sql database this is probably run on.