How do we level up here?

You need to give away games.

You have to make giveaways, the more the game is worth the more exp to the next level you get.
Getting to level 1 is about 20$ worth.
Also you can check out the FAQ for more info

You should read this and this

Nice of you to ask. but a bit of a warning, some users like to make fun of new people. best to close this thread after you understood how the site works :)

and welcome!