On 2006-11-25 09:28:05 +0000, "
said:

A company I want to use to supply a set of windows for my new home (we
will install them) wants 50% deposit with the order. Is this excessive
(and risky) for normal purchases of this type?
The other 50% is payable on delivery

Are you going to pay by cash, cheque, credit card or financing vehicle?