Close more sales - People are more likely to commit if they fully understand what they are getting.
Spend more time in the field - let the experts help with the cad details.
Make your clients happier - With fewer change orders, if they clearly see your intent before you start they are not surprised as progress is made.
Charge for the work we do - Clients do not baulk at being charged for design work that allows them to play a role in the design process and visualize the changes asked for.
Get more referrals - When clients feel more involved with the design, get what they expect, and thing go more quickly and smoothly because of fewer change orders they are likely to recommend you to friends