Thanks for the thoughtful replies

I was just having a hard time grasping these vpip/pfr concepts in theory.

If someone was *aiming* for a 25/17, how would they go about it?
Would they not HAVE to open limp or just limp in general to get the estimated VPIP?

However, I have read a bunch of threads and tips that open limping, or limping in general was generally frowned upon and that is why I was confused as to how people would arrive to those numbers if they did not recommend limping.....

(no specific reason as to why I chose 20/12 or 25/17)