From Sales Hunter
When the prospect asks, email the offer, dont. Deliver the proposal, the offer in person. You lose the important moment to be compellling and persuasive in person. Be personal
"Sure, sometimes it’s not possible to deliver your proposal in person, but whenever it is possible — even if your prospect is a couple hours away — get in your car and go in person.
There are just too many risks of emailing the offer, including you missing out on an opportunity to close the sale immediately.
To hear more about the risks, check out the video…:
https://www.youtube.com/watch?v=a3QBce0Qtk0