I have been working fiverr for 3 to 4 months and I recently reached Level 2. During this time period of struggle because of the competition in health and fitness section, I learned five things from fiverr which can be applicable to any field.
1-Only offer gigs that can be completed quickly.
2-Offer Incentive for Repeat Orders.
3-Make use of Gig Extras.
4-Keep Response time low and Makustom orders.
5-Share your Gigs as much as possible.
After all, your reputation as a dependable seller will go a long way.