When it comes to obtaining a new location don't be tempted to install any old machine.
My preference is a fully glass fronted machine for maximum product exposure.
From my experience soda sales can be increased as much as 30% by using a glass fronted machine.
Bill acceptors are also a must to maximise sales.
Locations with high turnover deserve greater care & attention.
When the machines start looking jaded my advice is to rotate a newer tidier machine to that location.