Mixing up too many fonts can look very busy and confuse the viewer. Make sure your text contrasts strongly with the background. Use your brightest colors to call attention to important elements. Avoid light blue text, as this is always hard to read. Water-soluble ink will smear if it gets wet.
Foam core mounting adds stability and durability.
It's excellent for wall mounting and also allows the print to be displayed on an easel or table. Laminated documents are easier to roll and store than larger mounted documents.