How much do yelp ads cost?, Yelp User Guide, All About For Yelp, At a time when much online advertising is being sold for 60 cents per thousand impressions (CPMs), Yelp is charging some local advertisers $600 per 1,000 impressions. That's not a typo. Yelp is charging small businesses 1,000-times the standard online CPM rates for local ads that appear on Yelp.