Gents half way through negotations in buying a round £1600 a month for 5k its all trad but I'm wfp, what is the best way to approach customer with regard to the new window cleaner do they mind being sold on,and then what do you suggest fot the switch to wfp,the seller has suggested a few days cleaning and then he said we could go round and get introduced to all the 200 customers and let them no I'm takin over