Splits works, but I tend to use iteration. There are benefits to breaking work into chunks and checking in how it's going every 2-4 weeks, but there's no reason

Splits works, but I tend to use iteration. There are benefits to breaking work into chunks and checking in how it's going every 2-4 weeks, but there's no reason to be in perpetual crunch time. There should also be free time at the end of every iteration to do some problem/design/idea exploration.