Workflow participant timeout when working on longer Adobe Sign package & design considerations

I am creating investor packages that have several forms and documents for the potential investors to sign.  I built a package with several documents and a hundred or more form fields and signature fields between the documents.  I tried to test it as a user in a different browser but I experienced time outs. When I returned some of my progress was saved but not all of it.

• How long is the timeout when a user is completing forms on an Adobe Sign package? 
• What happens when it times out and they come back in, is the progress saved? 
• Is there any implications to whether there is a signature in the document as to what is saved?
• Are there best practices when filling out several forms with signatures, e.g. complete all the data fields and leave the signature activities to the end or visa versa?
• Is there a best practice for breaking up forms after they contain a certain number of fields?
• Is there some setting that I can use to support a longer timout or a better experience for workflow participants?