Nigerians want to buy mountain bikes!

I received this email today in response to my EBAy auction which is item # 3697695091 if you would like to see it.

Dear timone84401,

hello, My client is interested in buying ur item and he wants to pay via Cashier check,he will issue a cashier check which will include the money for the item,my commission as an agent and also the shipping charges,Immediately u get the check,you will go straight and cash it at a local check cashing point in which u will send the excess funds thru western union money transfer to my client shipper in africa the same day u get the check ,If u agree on this,kindly send me ur contact mailing address to send the check to with ur phone number. N.B ; He will be sending u a check of $4500 in which u will cash instantly and send the excess funds of $2000 thru western union to my client shipper the same day u get the check. I await ur reply. have a great day. Pls if u agree end the auction imemdiately and send me ur name and address to send the check to

My only question is- do I taunt him for a bit?

Somebody else emailed to say the the bike I'm selling is the unicorn they have been searching for; and could I discuss a delayed payment if they win... If they win, I can discuss it.