COVID-19 is having a significant impact on how retailers currently operate, and many experts believe these developments will result in long-term changes in consumer behavior. It is hard to predict how, where, and to what degree things will shift. Compounding the issue is the fact that sales forecasting techniques of the past no longer accurately predict the future. You need to be able to assess the impact of changing consumer patterns on your sales in order to both survive now and thrive in the post-COVID world.