Some good habits for a new seller:
at first be confident on your skill
to be a quick learner
try to response quickly on your client sms
Ask your client questions for work.
try to maintain your client for next project
maintain your active time at fiverr.
dont push your client to give you order.
Don't ask your client about good reviews.
Good Price is not mendetory for a new seller, Need a Good client feedback.
Friendly conversation with your client.
Be professional because your client need a professional seller.
Be happy and healthy.