Alternates are perfect for showing your customers optional work on your proposal, separate from your main project cost. With the new e-signature feature, your client can approve or decline optional work right from the proposal you send from Clear Estimates. 

After your job is accepted, alternates can be used for creating change orders - and your change orders can be signed through the same e-signature workflow. Here's how it works: 

Continued Learning: 

Submitting proposals for e-signature
Include Alternate Details on your Proposal 
Components
Creating an Invoice