Marketing needs to be targeted and specific to be effective and cost efficient.  It also needs to be tracked to evaluate its success.  First identify your ideal client and what would attract them to your business. What can you help them with or solve? Where are they and what platforms (digital, print, word of mouth - LinkedIn or Facebook) would best reach them?  

Every situation is different, so be sure to do your research before investing your money.  Marketing is vital to the success of your business and it comes in many forms.  Be sure to investigate and find the best one for your business to connect with your ideal client.