Making marketing mistakes is very common in the business world, but what do you think is the number one marketing mistake. In other words, what most common marketing mistakes businesses and marketers normally making? Well, in my opinion, the most common marketing mistake is in advertising product and services or the business in general to the people who actually are not the true buyers, or let’s say to the audice that is not interested in what businesses and marketers are selling. For example, would Apple sell its iPhones when it market to working class? Would you benefit by marketing video games to senior citizens?