https://www.buymeacoffee.com/frobo64v
super easy to do, only need a couple tools and some grease
I have owned quite a few dropper posts and this one is my favorite, it ticks all the boxes of a good dropper and will last for many years as long as you do this maintenance couple times a year :)
https://www.strava.com/athletes/11071678
Dropper Post
DIY
Do It Yourself
Grease Clean
Disassemble
Guide
Air
Smooth
Slickolium