Twitter Writter

I am looking for a twitter writer who will supply good quality informative content for my followers and also will link them to informative site and also links to my offers. Each tweet will require a code to be copy and pasted at the beginning and end of the tweet for scheduling purposes. I will supply this code. The date and time will be required to be set. The 3 niches I will need tweets for are: -internet marketing ........with the main focus on social media -health & fitness/weight loss -relationships/ dating Please provide a sample of you tweets for each niche and cost per tweet. Look forward to working with you