Originally Posted by drewbee

I always require a 25% upfront cost of the total quote, then the 75% upon delivering the final application. There have been special cases where I have setup payment plans for my clients; however, I hide fail-safe bits of of code in the application to which will cause the application to fail after a certain date if payments are not made. Should the full amount be paid, before turning over the code, I remove all bits of this code. This rule is simple for me, if everything is paid in full, nothing is left behind. Don't pay and you just earned yourself a dead program.