If you want to offer custom services tailored to your clients, create a new Request Type and choose the custom payment option. This means that the client will be able to pay at any point of your collaboration.
Once you have agreed on the terms of cooperation, you can evaluate the project and and send the estimation directly to the client in the chatbox. In turn, the client can make the payment in the chat as well with just a few clicks. Now all that’s left is to deliver the project!