So you're saying that close is good enough as long as you're CYA by using RAW?
&
it's a starting point
&
it's a starting point
Thing is, I tend to get involved in the shot & sometimes don't check my current exposure as often as I should. 
It should be dead on for jpg, too. Tweak the exposure as you might feel necesary, bearing in mind that you don't have as much latitude as you do in RAW processing.

