Question
Hi, I have a relative who does not keep shabbos, we know this because of her instagram after shabbos, and it’s a known thing in my family. Her kitchen is kosher, is it a problem for Pas Yisroel and Bishel Yisroel?

Question
How much of Mincha needs to be completed before plag haMincha to enable Ma'ariv to be read immediately after plag ? Amidah? Avinu Malkenu? Tachanun? the whole?