TheGeek wrote: You got yourself in this whole mess by agreeing to modify a car that has not been paid for plus accepting to be an AA agent.
As I mentioned in the OP, two of the requirements of her bank was to have the car valued by AA and to have the car fitted with an alarm system. This is a standard practice whenever a deal is financed by a bank. Otherwise, the bank does not pay.
Also, I think it is the other way round; I agreed to be her agent at AA. I took the car to AA as the buyer, paid for the service as the buyer and even got receipted as the buyer by AA.
TheGeek wrote: what you should have done is let the buyer arrange with AA valuation, get payment for the car as is then hookup the buyer with mpps as an addon to the sale.
Letting a buyer arrange the AA valuation literally means handing over the car to the buyer for the purpose of the valuation and hoping the buyer will return the vehicle in good faith after the valuation is complete. For obvious reasons, car dealers never do this and take the cars themselves to AA on behalf of the buyer.
TheGeek wrote: Mail her the receipt via a courier and make sure she signs for it.
This is solid advice. Thank you very much.