Our
paper write up is our work order. We staple it to the invoice that we keep. The writeup includes import things like colors, drawings, file locations, and other references done during the consultation. Sometimes we spend several hours with our customers doing the up front legwork just to get things down and a lot of that is in handwriting. Not the best option but short of doing a video of the interview (like a dash cam on COPS!) it is all we can do to get things down.
We are a small shop, just 3, sometimes 4 of us there (if you count the 2 black lab's then up to 6) so it is a zoo most days.
Good luck with this. Every day I go in and turn the key and flip the light switch on I am happy I did it. I look at the job board while the computers are booting up and say to myself 'How are we getting all this done today' and I put a cup of water in the micro with a teabag and some Cayenne pepper in it and start the day.
That is just the way it is.