I am started on fiverr in april 12th and make 5 sales.
I will suggest you some quick point ,which help you to get more sales.
1- quality- make quality gig and quality profile
2- be professional - use professional pro pic
3- be good at english - atleast like me
4- selection of gig topic- research and select good Gig topic before make
5- initial promotion - fiverr search,fiverr forum, social media
6- quantity - create more gigs.you can create upto 7 gigs.so you get seven chance to get order
7- be active in fiverr : try always available in fiverr.which help you to lead sales