How to harvest cannabis seeds?

I want to harvest my own cannabis seeds, but I’m not sure when the best time is to do it. How do I know when the seeds are ready to be harvested and what is the best method for harvesting them?

What are the best techniques for harvesting GSC?

I’m growing GSC and I’m wondering what the best techniques are for harvesting this strain. When should I harvest, and how should I dry and cure my buds? Also, what are some common mistakes that growers make when harvesting GSC?