The internal rate of return (IRR) is the dollar-weighted return of a particular investment. It is what I consider to be gold standard measurement of your investment's personal performance. The calculation for IRR looks like a pain in the ass. Luckily, there is a spreadsheet function that calculates this easily for you, and I just so happen to be awesome at creating spreadsheets.
Do you ever get tired of manually putting in work shifts onto your calendar? Do you work a sporadic schedule where you often have multiple shifts a month, but the days are not neatly arranged? Do you moonlight a lot, like I do,and need an easy way to put all those shifts onto your calendar? If so, continue reading to learn about how I solved this problem for myself. I can even help you do the same.