It's a wonder that anything still costs money in the Pokémon world, as it's really easy to earn as much cash as you want in Pokémon Sword & Shield with the aid of a very long cat.
The Pokémon video games are generally easy enough to never require grinding for money, as the cash that is earned through winning battles is generally enough to purchase all of the healing items that the player needs to finish the game. The people who want to breed a team of Pokémon for competitive battling will need a lot of cash, however, as the items needed to boost stats are expensive. The players who love to change the appearance of their character will also need lots of cash, as purchasing all of the clothes in Pokémon Sword & Shield can cost a lot of money.
Brexit might have tanked the value of the Pound in the real world, but the fantasy version of Great Britain is doing just fine in terms of money, as anyone with a Gigantamax Meowth can quickly earn lots of cash. It's possible for everyone who purchased Pokémon Sword & Shield to download a Meowth capable of Gigantamaxing before January 15, 2020. Once this Meowth transforms in battle, it will turn any of its Normal-type damaging moves into G-Max Gold Rush.
The player needs to track down the Amulet Coin held-item, which can be found behind the sign in the Motostoke Outskirts. Once Meowth has been equipped with the Amulet Coin, it will earn lots of money whenever it uses G-Max Gold Rush in battle. If the player has finished the game, then they can grind the competitors in the Champion's tournament in order to earn over one hundred thousand Poké Dollars per battle.
The Gigantamax Meowth trick will become a lot trickier to pull off after January 15, so the people who don't need to use this method should keep hold of their Meowth in case anyone needs its help in the future.