The years of one-day deals and long lines the day after Thanksgiving are over. Black Friday is now more than a month long. We break down what’s changed and why. Read more:Retail reporter Jaclyn Peiser discusses how last year’s supply chain issues and delayed inventory are a win for consumers, how people are shopping despite inflation, and she outlines her holiday shopping survival guide.  And as a bonus – we give you a taste of Alexandra Petri’s column, ”The 9 best Thanksgiving songs I definitely didn’t just make up.” Trust us, you’ll want to listen.  The Post is running a Black Friday all-access digital subscription deal. For just $0.99 for four weeks, that will cover you for your first 12 weeks. You’ll get our groundbreaking interactive stories, the most in-depth breaking news, our fantastic Well+Being and Climate coverage and so much more.