Dear Employer,
I have read your requirements. I am very interested in this project.
I have done/modify/maintain... many websites before mostly with Wordpress. This is not a hard task to me.
By the way, I am free right now. The project can start immediately after you make your choice.
Last thing, all my projects have 6 months of free support.
Looking forward to hear something from you.
Thanks for your time.
Best regards.