Welcome to my post. Here is some tips for you.
Start with your profile and make It attractive by explaining who you are and what you can do, then go to your gigs and try to offer something you are very good at (e.g Web Design) and put good Images or video that describe what you are good at and what you can do. Now you are ready to make some offers by going to Buyer Requests section, you’ll see some buyers are requesting service related to what you are offering In your gigs, send them a good proposal with good price and short delivery time, then you’ll get some orders soon! Getting your first order as a new seller maybe take time, so have some patience and keep your eyes on Buyer Requests section because It’s the easiest way to get orders.
Wish you good luck with that