Katy and I have picked up some real good deals on FB Marketplace. I have sold a few items as well but it was an irritating experience. Answering the millions of questions about some item that you thought you had described in intricate detail was mind numbing. The people thought up questions about stuff I would never have dreamed of. Having to deal with all of that almost made me hold on to it which I have done before. I just marked the item sold and gave up on it. I am sure selling your moms things is the last thing you want to do. Hang in there.