Help In English

[fatema]

Good morning everyone!
I need your little help. I will post an article on a website and website owner is charge $150. I want to write her a friendly email where I will request her for some discount. So what I wrote?

Hello Abc,
Thanks for your email. I am looking to build a long term partnership with you. I wanted to know do you offer any discount? I will provide you the content, which will informative and relevant to your blog. 
Let me know your thoughts. 
Regards,
abc

This email is written right or wrong?

Thank you in advance.

[Old_Geezer]

It's understandable as long as the recipient knows what content you refer to. Might change looking to hoping. Might put a comma after know. Might change will to can. Would probably put a please before let. All fairly minor stuff.

[fatema]

Thank you @old_Geezer for your help.