>>41785
>Best way to start friendship is usually at a place where you share some interest. Ie: class that teaches some skill, seminars, conventions.
Where is the list of all possible classes, seminars, conventions? Which ones should I go to?

>Or via mutual friends.
You need to have friends in first place for that. What if someone moved to a new city or state?

>It also depends on what kind of relationship you want.
Don't know. What kinds do exist?

>At beaches and parks it's hard and you'll have most success with something casual and fun like inviting for a game of volleyball or some other shit to pass time.
What other stuff to do at beaches and parks?

>Also doing something unusual like flying a kite / rc airplane or doing a barbecue will make people curious.
That's true but not sure if I can do those things or if I will like that activities.

>Big part of not being creepy is being casual and interested in what you do, not the people around you plus if you are really interested in what you do, you'll have fun regardless.