This is a very important factor to decide on before commencing with the project
. You should know clear details about the payment. Also, find out the mode of payment accepted by the web agency. Find out if you need to pay them a flat rate or on an hourly basis. While some agencies may ask for a part of the money upfront and the rest later, there are companies that charge money post project completion. Find out these details to ensure no financial misunderstanding occurs during the course of the project.