Calling it a "few dollars" is probably disingenuous, although we don't know the personal circumstances. For many, this could be a "life-changing" quantity of money.
A doctor probably ends up with a $10M or bigger nest egg in retirement. At 4% withdrawal rate, that’s $400k per year, or $33.33k.
Spread the $50k expense over say 30 years, that’s $140 less per month.
So that means the spend would be $33.2k instead. The difference here isn’t going to register for the household budget.
Obviously a lot of assumptions, but this is the pragmatic view.