Incomplete Information

I purchased a Dishwasher during their opening sale. After hearing how expensive the delivery fee is I told them I would arrange for collection instead with another company, but the sales person didn't think to mention where or when collection could happen. I arranged for collection to happen yesterday after I called the store to confirm that I could collect my appliance in store, to which the response was yes anytime during the day. The guy arrived there only to be told the appliance is still in transit \somewhere". It is now gonna cost me more to arrange for them to go back to the store \""when\"" the appliance does finally arrive. Why are the appliances not kept at the store since there was a promotion running...quite an inconvenience."""