Mastering Technical Sales: The Sales Engineer's Handbook

If you can't make it good, at least make it look good.
Bill Gates, founder of Microsoft
Understand trial negotiation and overall success strategy.
Be able to plan and execute a trial.
Learn how to avoid a trial through references or other proof points.
One of the few things worse than a request for proposal (RFP) or a multiday demo is the dreaded evaluation trial. This is often a trial in every sense of the word draining resources from the sales organization with little effect.