This is a free step-by-step deep tutorial about estimation techniques.
There are three main categories of estimation:
1- Absolute Estimation
2- Relative Estimation
3- Flow Metrics
In this video, I will talk about thinking guidelines for estimation and introduce 6 estimation techniques.
More than that, I'll comprehensively explain Planning Poker, a technique for Relative Estimation.
You can also start your Scrum journey with me if you want to learn the most accurate version of Scrum (Professional Scrum, Not Superficial Scrum).
It starts with my PSM (Professional Scrum Master) class. You can register for my PSM class on this link:
https://scrumschool.org/psm-course-mehdi-hoseini