Order related Billing

Hi All,

at present we are using normal sales process, but my user want me to create order related billing. for the same i found out that we can use cash sales. but i have never used it earlier and not aware of what configuration required for the same.

my question is do i need to go with cash sales or with a present settings i can create order related billing.

user dont want to create customer master too. what i should do and how to do this please suggest as i am new ti this.

Thanks & Regards

Ashwini K.