Qin Feng obtains a personal aquarium that can raise fish, crabs, and other seafood. A 7-liang wild yellow croaker, priced at less than a thousand, can be raised to 2 jin and 1 liang in two days, increasing its price by tens of times. A 165-jin bluefin tuna, with average meat quality, is priced at less than 10,000? After a week in the aquarium, the nearly 400-jin chubby tuna is in high demand. A turtle king says, "Fishing can achieve financial freedom? You're joking!" Qin Feng arrives on a luxury fishing boat: "What did you just say?"