Dear Hiring Manager:
I am agreeing to do this "Do simple surveys and get rewarded" project as per your requirement; I have read the job description. Lets start immediately.
I am a new contractor, but I assure you that I can deliver this job within the estimated time so please give me a chance. I can work 20-25 hours/week. I look forward to hearing from you.
Thank you and hoping to be considered.
Regards,
Syed