أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Actually, the agile doesn't work with fix price or fix, so you can just say no to fix price, or you can build a very good requirement sheet and let your customer sign it.however, you can ask for men-day price, so you calculate the cost based on time and not on the requirement itself
