The first message a new client gets sets the tone
The first reply a new client gets from you teaches them what working with you feels like, long before any real work starts. That message doesn't need to be long. It needs to be fast, warm, and clear about what happens next.
I used to let new client emails sit while I finished other tasks. Clients don't read a slow reply as busy — they read it as unsure. A quick note that says "got it, here's what happens next" does more for confidence than a polished proposal sent days later.
Build one solid first reply, save it somewhere you can find fast, and send it the same day someone signs on. Add their name and one specific detail about their situation so it doesn't feel copied and pasted.
The tone you set in that first message becomes the standard the client expects for every message after it, so pick a tone you can keep up.
Try this today: find the last message you sent a brand new client and check how long it took to go out. If it took longer than it should have, write a short template you can send fast next time.