What does everyone in this forum use to bill their customers, track expenses, and compare the two? Basically, how does everyone here manage one of the most important aspects of a business: CASHFLOW?

Many of my clients use Quickbooks for billing and tracking. Thera are also good FREE open source solutions that can pretty much do a similar job.

Feel free to check some of the ones I have written about at the following link:

http://theopenzone.org/viewtopic.php?t=5