Documentation on Cost Calculator plugin can be found on the following link.
Although documentation uses WPBakery Page Builder (formerly Visual Composer) as an example page builder, the same elements and functionalities are included in Bold Builder.
Cost Calculator can include:
Google maps require an API key for site domains. Follow the next steps:
On Snazzy Maps are available all kinds of Google Map styles. The required map code is possible to add to the Custom map style array field.