My father has an inventory of everything with serials since the 1990s. He never sells anything so it’s all in the basement. My father-in-law takes the cake and

My father has an inventory of everything with serials since the 1990s. He never sells anything so it’s all in the basement. My father-in-law takes the cake and has a 1,000 or more spreadsheets. He has chickens and keeps a spreadsheet on the costs per egg since he purchased the chicks. I think it’s down below 25¢ an egg.