Regarding running a business, the editor has compiled some strategies. Players who often run a business may wish to take a look with the editor. The following is a detailed route for running a business. There are very detailed descriptions in the early and late stages. You can learn more about it. .
A complete guide to running business
1. The high-quality merchant route in the early stage is to buy weapons and goods from Shipwreck Bay and sell them to the Sea of Ruins, and then buy metal ore goods from the Sea of Ruins and sell them to Shipwreck Bay.
Buy metal ore products from the Sea of Ruins and sell them to the Sapphire Sea, and then buy hobby products from the Sapphire Sea and sell them to the Sea of Ruins. 
2. A high-quality two-way trade route in the mid-term: textile products are purchased from the Red Sea and sold to the Sea of Mist, and then gemstones are purchased and sold from the Sea of Mist to the Red Sea.
Buy spices from the Crimson Sea and sell them to the Blue Sea, and then buy alcohol products from the Blue Sea and sell them to the Crimson Sea.
Buy metal ore products from the Sea of Ruins and sell them to the Sea of Mists, and then buy gemstones from the Sea of Mists and sell them to the Sea of Ruins.
3. One-way large loop for huge profits in the later period ①. Purchase alcohol products from Qingzhi Sea and sell them to Shipwreck Bay ②. Buy weapons products from Shipwreck Bay and sell them to Beihai ③. Buy jewelry products from Beihai and sell them to Crimson Sea ④. From Purchase spices from the Crimson Sea and sell them to the Red Sea ⑤. Purchase textile goods from the Red Sea and sell them to the Sea of Ruins
4. Obtain the secret treasure tax-free certificate to maximize the profits of these routes. Of course, there are all other tips, such as taking advantage of the chaos and falling commodity prices after occupying the port, and selling these cheap commodities to those who have just invested and are in prosperity. For ports with a certain status, you can also earn a lot of gold coins in one go!