1 Gross margin for a coffee shop is about 85%, with operating income averaging 2.5% of net sales. 2  The labor intensive nature of the coffee shop business places a premium on friendly, high energy teams which generate about $50,000 in annual revenue per worker.
The team at Amazon helped us put together a list of the most popular products with the most user reviews. Unsurprisingly, many of the top products are made by Amazon. But there are a lot of other cool tech gadgets, from headphones to hair straighteners, that sell like crazy on the platform. Here are the best-selling gadgets from Amazon.
Credit: Jeremy Lips / Tom's Guide. The Google Chromecast ($35), the Amazon Fire TV Stick ($40) and the Roku Stick ($50) are the three most popular models of streaming stick, and each one comes with its share of selling points and caveats.