I would like to know what is the best program to keep track of billing records and client info? Or is notepad my only option. lol

Thanks.

here you go

http://www.webhostingbilling.com
http://www.dreamcost.com/
http://www.perlbill.com (new version coming out shortly)
http://www.sisd.com/freeside/ (freeware!)

ps. there are some more of course ;)

http://www.modernbill.com