If you are new and want to make Sales on Fiverr to Earn from your skills I have shortlisted 7 points from my experience to boost sales.
0- Creat an account that correctly represents you and your skill level.
1- Make a maximum of 2-3 Gigs initially with a 100% skill level and should be very specific ( like a migration of Wordpress website to different Host ).
2- Don’t Copy Anyone’s Gig (If you are actually skilled you know what you offer and can also make Gig well).
3- Use keywords Wisely and make sure not to overuse
4- Send Buyers Request regularly
5- Keep yourself online
6- Spend Time On Fiverr
If you have done all the above steps correctly. After a month I am sure you find this thread back and write good words.