I’ve had a lot of success using this method, but it does take having management that understand how software development works. A really good PM will look at an

I’ve had a lot of success using this method, but it does take having management that understand how software development works. A really good PM will look at an estimate like this as a range, with work complete somewhere between the lower and upper bounds. A bad one will take the optimistic estimate as gospel and build everything else around that.