The idiomatic expression "to get to the good stuff" means to reach or arrive at what is most valuable, enjoyable, or satisfying in a situation. Full definition
Now lets get to the good stuff, like this stunning floral wrap maxi dress. (champagneistablog.com)
Start by sliding your hands up and down his thighs before getting to the good stuff. (mindbodygreen.com)
So if your resume's format is messy, ugly and just completely wrong, the hiring manager is going to say «No» before they've even got to the good stuff. (resume2018.com)