I can buy fg and send it first pm me asap

That is not how it works, and you are asking someone to do an illegal trade with you.

Graphic Request Forum Rules - https://forums.d2jsp.org/topic.php?t=87251352&f=111

Trading Rules - https://forums.d2jsp.org/info.php?p=6

Site Rules - https://forums.d2jsp.org/info.php?p=9

You are welcome to try again and correctly. :)

I was saying I can send fg as payment. I can buy from the site itself

The links I have provided and you have quoted have information you should follow.

First you can't offer fg you dont has but.
You can ask for free sig and avatar.
If you want a price range..
500 standard sig.
1000/1500 animated..
2000+++ smudge sig..
You can watch premade gallery and ask for a price..
This might help you a little bit more !
If we talks about signature and avatar