The solar eclipse is causing a flurry of excitement, and businesses want to cash in. Here are some of the best promotions and tie-ins.

• Millions of tourists have gathered along a strip of North America to witness the solar eclipse. 
• The wave of eclipse tourism is expected to boost economies and local Artisans, restaurants, and businesses have been preparing.
• This is how the communities lucky enough to lie in its path are tapping into eclipse fervor. 

Millions of people are gathering across North America to watch the total solar eclipse on Monday.