Professional should not resort to "tricks".....
When I was first licensed, (nearly 100 yrs ago), one of my running rates was a semi-professional magician. He could get us into more doors by doing a magic trick or 20... if the prospect was amused by his antics, and not all were, but if receptive they would always demand more... it was a terrific ice breaker. I wish that I had the talent... The tricks no doubt made some sales, but of course with what we were selling back then, (heavily loaded endowment policies pkg'd into a retirement plan; yikes), we needed magic to unload those deals.