I would have a letter ready and go in person for this type of solicitation-- if you have a sample of what your looking to do, visuals always help. I think you can get a better reaction by going in persona nd talking to0 the manager or decision maker.
I am wonder what the best approach is in asking businesses to be on our discount card. I have thought of calling first and seeing if they are willing and then going by to get the agreement signed. I wasn't sure if I should go in person first. I am not used to doing this part of the leg work. Any help would be appreciated.