You have to understand their niche and discuss it a little bit in your offer. when you sent your buyer request. it will help you to get an order from them.
I have created 7 gigs at about 23 days but still, I didn't get any order from Fiverr.
What should I do to get an order from Fiverr?
Could you please tell me about that?
you should span your time on Fiverr properly, which means for the First time you should make 7 gigs after that you will send a buyer requests 10/10 a day. before you send your proposal you have to read properly their need, send the buyer's request professionally, it will help you to get your to dream job
you can delete your gig, it will not affect your profile, but it doesn't look good to delete a gig from any profile, because it is not professional. That why my suggestion is before you publish a gig, you have to recharge your gig.
you should follow the rules of Fiverr, Maybe your photo is very big gigabit or low quality and you should resource picture size color and minimal design for a clear understanding