This is what set me down the road my career today. My dad was a General contractor in the 70s, 80s, and 90s. In the 80s when I was about 13-14 he bought the 1st computer for the company and an Apple IIe for me to use at home. For years I was the IT guy along with another guy he contracted to. One day he came to me and said he had a project manager he though was stealing from the company and was keeping it in a Lotus 123 spreadsheet and wanted me to quietly investigate what was in it. I was able to gain access to that spreadsheet and he flat out to the penny had been keeping track of very dime he had stolen, where he had materials delivered for his house he was building, everything. Long story short that spreadsheet became the invoice that kept him out of a very long prison sentence and the start of my real fascination with networking and computers.