For rank your gig you can follow this trips.
1. Try to create a unique gig.
2. Research other persons gigs of your category and take a good idea.
3. Write a perfect title
4. Do title seo
5. Write description using keyword base.
6. Use three keyword in description in three time.
7. Bolt the important content with keyword.
8. Optimize your gig image
9. Try to use a video this is very helpful for get order.
Thanks.