There are many free templates on the internet. Google "excel price quotes" or "excel construction quotes" ....or something like that. Just keep googling until you find one that you like.

15 yrs ago, I was pretty good in Excel and did all my estimates in it....but I haven't done that for a while since we switched over to QuickBooks back then. I had a database list that I had---then I could pull up items that I wanted. I was nice, but it took me a long time to set it up.