Once you lead one sign up, you will get $1.5 USD and you can withdraw it as soon as you get it.

Once sign up what is the minimum to withdrawn

This is a good question. It is good to have friwmds at LB because we all need each other for support. About getting to see your friemds here and interacting with them, i tried searching once and i had such a hard time then. But i guess things have changed a bit. I will definitely try it out again.