If your client need some black & white for the project, you can come up a basic agreement and list down all your job scope. As we know, web design is something very subjective, some people say the design good, but some people say is bad. Sometime, a 2 weeks project can delay until 2 months or further.

To protect urself, i will advise u to have 'Quotation' that list down all your jobscope (like how many mock up page, how many time changes, who will responsible on the write-up, and etc) & timeline. At the same time, ask your to sign on the quotation, and you can take it as the PO. Prepare a 'Request-Change' Form everytime they ask to change sometime, once changes are made, ask them to sign (if not, 2 days later, they will call u again and change again).

Regards,
Harry

Normally, we will collect 30% as initial payment, 50% before launch or during UAT, 20% after the 2 weeks of warranty period.

It also depend on client la .. if the client very lan shi and ma fan .. try to get 50% 1st .. if not, i guarantee ur last payment can only collect next year .. cos they keep changing and changing ..

By the way, if you guy looking for some good hosting .. i can recommend u!