first off I am going to admit I did not read this whole thread. But this is what I do My grandson and his parents moved into my home for 6 months when he was 2 He got put in time out EVERYTIME he did something he wasn't supposed to he is now 6 and respects my rules. I also do it with the now 3 year old even in their home. I catch you it is time out. They both still can get away with things with mom but my son is a little stricter. She is learning from my role modeling. I do not ask permission, I just react quickly. But then I taught discipline in my job so it is natural for me. At one p[point my DDIL was upset about it but now she thanks me for being consistent. She can see how they behave around me.