Look bottom line is that you’re always going to be communicating through email. It’s ruid if you do not answer your emails in a timely fasion. If you are working on a deal and allow for a week to pass before you answer your emails those potential deals will be gone. At a maximum reply to your emails 2-3 days after you receive them. Even if you have to contact someone else before you get the needed answer, write an email to the sender so they know to wait a couple of days.
This is a huge issue no matter what side of the industry you’re in. It costs time and money waiting for people to respond to emails so please be concious of your response time.
