Note on your audit paperwork or in the paragraph box below how many of each would be helpful in your home.
For instance, say, "I could use one APS to put my Bose subwoofers, my Blue Ray, and my XBox on, and a timer to put my wifi router on, which I will turn off from 1 AM to 7 AM." This will help us calculate your savings!
This is so we can calculate your return on investment on any potential water fixture upgrade. So if you have 5 people and two bathrooms, the answer here is 2.5, for instance.
Also please indicate whether you want handheld or stationary showerheads. Stationary are less expensive, so it opens more budget for other items you're interested in, and they are better for showers that lack space. Handhelds are nice because you can rinse the shower with them when cleaning, and if you have space for them, they are typically what people prefer.
For pipes, just add the number of feet of pipe that you can feel heat from a half inch away (e.g., do not touch the pipe, just hover above to feel if heat is emanating). There are intake pipes that should not be insulated, as they are tap temperature. tank, just indicate diameter of the tank across the top, the height of the tank, and the number of gallons.