Also, try the sell the strategy session first(low cost to them and if they pick you for the strategy session your 90% of the way to selling the whole project)

Also, try the sell the strategy session first(low cost to them and if they pick you for the strategy session your 90% of the way to selling the whole project) If you really want to knock their socks off offer to identify frameworks, libraries, templates, third party products and apis to minimize cost and time to get the project completed faster and with less overall costs. Now your starting to move into trusted advisor territory.