Commute 45 Minutes or Pay Rent?

For those working full-time at MBB, how realistic is a 45-minute commute each way if it means living with family and paying essentially nothing for rent, groceries, or other living expenses?

Assuming the commute is manageable most days, how do people typically handle especially busy periods (late-night deliverables, multiple consecutive long days, etc.)? Do you just make the drive regardless, occasionally book a hotel near the office, or is there another approach that people tend to take?

I'm trying to weigh the tradeoff between a longer commute and potentially saving tens of thousands of dollars during my first couple of years. Has anyone here been in a similar situation, and would you recommend it?