my last argument

My last argument was with my daughter over her cleaning her room. I argued that I have been asking her to  clean her room for three weeks! I told her that she would be grounded until it was clean. She keeps saying "I will". I told her that she is not getting anything or going anywhere until it's done because I'm sick of doing things for her but she does nothing I ask of her. I asked her how she would like it if I told her I would buy her a new outfit and then keep putting it off. She wouldn't like it if the shoe was on the other foot. Teenagers are not fun!