In the classic car world. They tell you to take that number and times it by 3 to get the real number. This is true with reef tanks too.
Oh house remodeling too. Lol.
I started my reef in 2000...............I've fogotten how much over the years......but I did spend $106.84 for 21 lbs of uncured Fiji.....I kept that receipt.
I have had several tanks over the years but never kept track of what I spent......until this last tank. I kept track of cost of every item, except for consumables and it was in excess of $8000. I got less than 1/2 when I recently sold everything which is about par for the course in this hobby.