methods in New Horizons were rediscovered in past Buy Animal Crossing Items patches, no new ones have been found.
One of the most useful exploits still in New Horizons is time traveling. To time travel, all a player has to do is manipulate their system's clock in their settings to "time travel" between any day of the year. This enables players to rapidly grow fruit on their island to lolga.com sell and attain rare seasonal items. Perhaps the best thing it does is allow player to sift through the days of the week to see if they can get a good turnip prices. The best, non-exploitative way to make money in New Horizons is turnips, as players can multiply their money every week through simply buying turnips and waiting for decent offers from Timmy and Tommy. Time traveling expedites this process, as players can simply repeat the process of buying turnips and waiting for good prices as much as they want to.