Unknown
    
  
    Occasional unpaid invoice  
          
      
          
      
      
   
  
                  
                            
              
  
                  
                            
              
  
    
        a rare case when a client doesn't pay you or you don't pay a supplier        
          
      
          
      
      
    
  
      An occasional unpaid invoice won't sink your company, but it can hurt your cash flow.