Subject: Rate update effective [DATE — 30+ days out]

Hi [CLIENT NAME],

A quick heads-up: starting [DATE], my rate for [SERVICE] moves from
[$OLD] to [$NEW]. Costs and demand have grown, and this keeps the
quality where you expect it.

Everything currently underway (and anything booked before [DATE]) stays
at the current rate. You've been a great client and I wanted you to
hear this early, with time to plan.

Thanks,
[YOUR NAME]
