Amazon Arbitrage provides another sales opportunity online. You can find discounted products in stores and sell them on Amazon to make a profit.
With dropshipping, you can sell products without ever having to touch the stock you're supplying. A third company takes care of the merchandise, the shipping, and even provides you with a website where you can list your wares.
Sales managers lead a sales team by providing guidance, training and mentorship, setting sales quotas and goals, creating sales plans, analyzing data, assigning sales territories and building their team.
Trading in cryptocurrencies or foreign currencies is legal, and it makes a lot of money for some people. But exercise cautious.
Becoming an Etsy store owner could be a good option. If you want to create the items you sell, check out Etsy.