If something changed suddenly — a door that stopped closing this week, a crack that visibly opened, a depression appearing in the yard — call rather than wait for the reply. Those move up the schedule.
While you wait
Two things that make the evaluation sharper: photograph each crack with something for scale and note the date, and walk the perimeter after the next rain to see where water actually stands and where it runs. Those two observations answer most of what we would ask on the phone.