The Cheat Salon

When I decide to go to salon I would know what I want to do.
But many times they will ask you to do more things.
This what I don't like.
It's been so hard to try to find the good salon for myself.
Actually I found one when I was in Chiang Mai.
The shop I like, they never ask to do more things.
If I go to get the hair cut they will cut the hair for me.
And they won't ask to do the stream hair or to do hair dye.
The salon I went today because it's very close to my house.
I arrived there when the hairdresser washed my hair asked me to dye my hair also after I got the hair cut.
I said NOOO...
Then she asked me to do the stream after I got the hair cut.
I didn't say anything but she kept talking about my hair that it's very dry and need the stream.
After she done, she asked me again if I want to do the stream so I said No....
I said Next time, ok?
One other thing the price on the sign won't be the same as we always pay at last.
Most of the time I went to the salon I will see the cheap cost on the sign but when I pay I need to pay more.
I don't understand?!?!
This time on the sign for getting the hair cut cost 100 baht but I had to pay 150 baht.