[3 days ago I activate the gig promotion option but no click no order.]

How many days could it take to work properly?
you can try many time active in fiverr,,because buyer give the orders actived person,
and wait for work.🥰
 

[Buyer Request Marketplace - is it gone?]

It is a Fiverr update. You can get buyer requests on your desktop but not a mobile app. 
Don't worry brother ,we are most of the working laptop and pc . could not work to mobile phone,
So i thing  fiverr remove the buyer request into mobile phone..

[Happy International Freelancer Day!]

 

❤❤HAPPY FREELANCER DAY TO ALL OF YOU❤❤

❤❤MAY YOU ALL HAVE COUNTLESS BLESSINGS FROM GOD & MAY GOD SUCCEED YOU IN YOUR LIFE AS A FREELANCER❤❤

[What is the best way of marketing gig in social media?]

I think you want an expert seller who did it before and knows the best way of marketing as well.

[After deleting an account, can I open a new account with same NID and same payment method?]

yes ,you can. 1st you deleted your currently account data information .next you create a new account same information