There is a certain type of hotel associated with 'coach tour', not just in Scotland but the breed is prevalent here.
Long ago, when economic conditions were perhaps different, the original nondescript building will have been massively, and cheaply, extended. Nothing much will have changed since then. The decades-old brown decor will remind you, subtly, under the modern overlay of damp and carpet cleaner, of the time before the smoking ban. The fact that the mattress is the cheapest foam abomination available does not mean that it will have been renewed, ever.
You know what the meals will be like. They will be edible ....-ish ... and predictable, particularly the Scottish breakfast. Meal timings will probably be to suit the hotel, not you. Seeking alternatives may be challenging even if not uneconomic as the hotel may well be on the edge of, or outside, town.
I really would arrange accommodation myself, if I could.