Connecting to business internet account

Very frustrated calling comcast as they close at 6 and by the time I am home they are close and of course they dont open on weekends and live chat only is available for residential / normal accounts when business pays 3x more and should get the same report? Makes no sense to me I pay more for less service, ok guys...

Anyways! I of course believe I have a unique situation but no one will help me so in desperation I've come here. To the kindess of strangers on the internet, don't let me down guys...and gals!

I have an existing normal/residential account with comcast that is currently active and that I am connected to now to type this. I recently signed up for a business account through my company, I waited a whole day and a tech finally came to my place and installed equipment and activated the conenction and left.. well later I found that he indeed did not activate the connection and I am still conencted to my residential account. Basically I have two active connections running through my place right now but can only connect to one...so I need to...

1) cancel my residential account

2) connect to my existing business conenction the tech installed...

ideas? help? comcast employees? please? thanks...

Sad and frustrated,

-Kevin