Going to replace the door hardware and cabinet hardware all throughout the house. For the door hardware, do you typically lubricate the mechanism when new? Anyone here have any tips/tricks/lessons learned to offer when replacing the whole house?

No lubrication should be necessary upon install.

Doesn't hurt to lubricate with silicone.

Agree it doesn't hurt to shoot it with a touch of silicone if it makes you feel better. I've changed out a bunch of door knobs and never felt the need to do that as they are typically pre-treated.

https://www.build.com/door-hardware-presidents-sale/c82041766?source=em~eml~1~2019_02_18_PresidentsDaySale_ActiveCon_AB_SHOPNOW~123307&userid=&MID=10256381902869&RID=7674676223&emp=false&m_i=fM1e2IZ_NuWhi7%2BubFsaOYzse209TysauiOv8ZIvQiwdm2G2Nodj8o8994IcjFCvARUUTXDzWrqpiaGoNZGM%2Bd_nvRyKfn&M_BT=7674676223

Thanks all.

Ended up pulling the trigger on all of it, hinges, cabinet hinges, ceiling fans, cabinet knobs/pulls, door knobs, and lighting trims (to eliminate brass reflectors).

The only one that caught me off guard on price were the door hinges. The previous owner was a contractor who built the home. He definitely spent good money for quality hardware, including some commercial grade door hinges. I didn't realize that they're a little thicker gauge, which meant the mortises were a tidge too deep for residential grade. I'm happy to replace it with the commercial grade hinge, but it was hard to find one in the finish I needed and when I did, I paid for them...