Keep to Two Font Families Max
One thing that can compromise any promotional piece is by having too many fonts that can distract the customer from the message. Keep it simple and easy to read with 2 fonts max.
Keep a Color Scheme
Having a colorful poster is sure to draw the eye of any customer, however don’t go overboard and have too many. Too many colors can overwhelm the piece. Keep to about 4 or 5 colors that you associate with your brand for the best image.