Yes it is very common, though not always 100%. I tend to estimate the total price, and charge as follows: 10% of the estimate when the proposal and contract i

Yes it is very common, though not always 100%. I tend to estimate the total price, and charge as follows: 10% of the estimate when the proposal and contract is agreed and signed. This secures the project in to my schedule. 40% of the estimate when work begins. And the remaining fee when work is complete. Only when paid in full are copyrights and files transferred to the client.