Top 2 Products/Tips for someone Moving business Online in 2021?

Hello Hunters and Makers One thing 2020 taught businesses is to have solutions to run businesses online to sustain. Many businesses, which solely relied on physical presence of themselves and their customers, were shut. It is clear that everyone should plan ahead and be digitally ready, even if they plan to sell things to neighbors or a small community. What would be YOUR Top 2 Products or Tips that every person who moves their business from offline to online? Appreciate any and all comments that your drop coming from your experience. YOUR Opinions matter! Regards