Would you give Blues a months credit?

Your a Blues fan and you own a company, BCFC approach you for your goods but want a months credit do you agree or ask for upfront payment. They have no idea that you are a Blues fan STH etc etc.

Taking a random product request.
Blues want to store/pack some goods/garments etc in acid free boxes complete with some of the boxes having personalised text.

Picking a random figure out of the air.
The order is worth about £2k profit

What would you do, help em out or get the payment?