I'm going to tell my (ex) stepmother that our home is substandard
Why do you want to say that to your stepmother?
Whenever I go back home, I get so pissed off at all the kind of work that needs to be done.
Telling your ex-stepmother that your house is substandard will only show that you are ungrateful for what you have. You should think about how you can fix the issues with your house that are bothering you.
I have this great idea to wait until my step-mom sells my house and make an anonymous complaint to the building inspector.
It's not helpful to be rude or vindictive when you give advice to someone. You should be kind and helpful when you make suggestions to other people.