Here are a couple of tips when building in Firecode.

Open Firecode and create a new block. Then jump back to the edit mode tab and add that block to a page. Then open the page in Preview mode.

Benefit: When changing something in Firecode you'll see the change instantly in Preview mode.

During development, the system maintains separate files for different environments:

Nothing is visible for visitors outside of edit mode. Then you click Publish/View website to make the changes live.

You can modify style.scss in Firecode and click the Publish button (bottom right corner) for instant live CSS updates.