As a business owner I get approached all the time for marketing and business advertising. I don’t usually go for it because I prefer to work through local networking & word of mouth with real people. So one of the guys from Yelp kept calling and finally I relented by doing a free 7 day trial- which I promptly cancelled on the date of the trials end. Got a confirmation it was cancelled, in writing, & then 2 weeks later got charged nearly $100! They refused to refund it and had all kinds of slightly different terms for the marketing plan. Snake oil salesman! Beware!