check this soft like play pen it has lining to cover your floor, I do not know if this one has a zip on cover but I have seen this model with one and the price on this one is not bad.
Amazon.com: Pet Travel, Indoor or Outdoor Dog Cat...
Also from what I remember you posting before you just got her not too long ago, and from what I read from others that have had their dog 100% potty trained they had to start all over again when they moved to a new home, so to her she is in a new home.
It took me almost 5 yrs for my Buffy girl to be 100% potty trained, and now I have about 2 more years to go with my 2 little pee pee boys
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Also even if my furkids are going outside to pee it takes them more then 5 minutes to fine the perfect spot to first pee second to poo then pee again.
Do not take it personal when she makes mistakes because the last thing she wants is to make you mad at her she made a "mistake", better yet think of how can you prevent it from happening again. I do not trust any of my boys at someone else house so I do not put them down unless we are outside.
Usually all they want is to be next to you and ask for some attention from you and that makes them soooo happy. Now how many people do you know that can truly be happy to just sit next to you?.... I don't know any they all want a whole lot more to be happy.
It's going to take time because remember you got a dog that was already train (right or wrong) by someone else, now you need to change her ways to yours.
I wish you lots of luck and if you need to talk to let out frustration well you know were to find me, just pm me
