Four taps. It writes the text for you and sends it from your own phone, so you're not explaining anything to anyone.
1 What is it?
2 What do you want done?
3 How much coverage?
4 When?
You're asking, not locking it in. They'll confirm a time back to you.
5 Photos
Photos get you a real number instead of a range. Condition and size are what move the price on every job.