Final answer:
A good number of key product differences to promote for the All-in-One washer-dryer is three, providing a balance that highlights the product's value without overwhelming consumers.
Step-by-step explanation:
When promoting a new product like the All-in-One washer-dryer, it is crucial to highlight a set of features that distinguish it from the competitors. A good number of key product differences to promote is usually three.
This allows you to provide enough information to showcase the product's unique value proposition without overwhelming the consumer. Each feature should address the needs and desires of the target market, in this case, busy, small-household, high-income consumers living in apartments.
Product features could include the convenience of having two appliances in one, saving space which is essential for apartment living; advanced technology for faster cycles that cater to the time-pressed consumer; and energy efficiency for the environmentally conscious, high-income customer.
This approach, sometimes referred to as the 'rule of three,' strikes a balance between simplicity and persuasiveness, making the product memorable without providing too much information