I'm a window cleaner:
If custy wants the inside patio doors doing or a kitchen window doing: it's a cuppa tea...milky, two sugars! That's my going rate.
If the whole house needs doing, then it costs more than just the outsides, possibly 1x5 times.
I'd be embarrassed to say I couldn't do the insides...if that's what my custies want, then that's what they get...for a price!
That's maybe where you are going wrong.
"I'm a window cleaner" so you have a sense of pride at being a window cleaner and you just clean all windows whether you like it or not because you are a "window cleaner" and if you can't do it you are made to feel an inferior window cleaner which hurts your ego.
That's fine, that's great.
I don't carry that same ego attached to being a window cleaner. I don't see myself as a window cleaner, I'm a human being who although happens to clean windows can also do whatever else I want or don't want to do.
Personally I don't like breaking my stride when I'm out, I don't like stopping for a coffee. I like to get to property, hose out, clean, note through door, next. Bang, bang, bang.
doing insides I have to get all hear out, tread carefully round someone's house etc, oh and if they are not in them what reschedule at a time convenient to them ? No chance.
I never do what a customer wants, I didnt get into this to be dictated to. I work how I want to work. The amount of times I've been asked to come on certain days, collect, jump over garage roofs etc...no thanks I don't enjoy it, it becomes a pain. Anything that I don't enjoy I don't do, I spent 15 years working in warehouses and dead end jobs being told what to do and doing things I don't enjoy for the money. Not anymore.