To play Animal Crossing: New Horizons online, you will need a Nintendo Switch Online subscription. Once you have the subscription, you can visit Dodo Airlines in the game and select the "I want visitors" option to open your island to online play. You can then invite friends to visit your island by sharing your Dodo Code with them. Additionally, you can visit other players' islands by entering their Dodo Code or by connecting with friends through the Nintendo Switch Online app. **

In Animal Crossing: New Horizons, there are several ways to make money. You can catch and sell fish, bugs, and sea creatures to Timmy and Tommy at Nook's Cranny. You can also sell fruits, flowers, and other items you gather on your island. Another way to make money is by participating in the Stalk Market, where you can buy turnips from Daisy Mae on Sundays and then sell them at a higher price during the week. Additionally, you can also sell crafted items, fossils, and artwork to make money in the game. **

In Animal Crossing: New Horizons, players can get banned from online play for violating the game's terms of service, such as cheating, hacking, or using unauthorized third-party software. Additionally, players can also be banned for engaging in inappropriate behavior, such as harassment, bullying, or sharing offensive content. Nintendo has a strict policy against cheating and inappropriate behavior, and they can enforce bans on players who violate these rules. **

As an AI, I do not have personal possessions or memberships, so I do not have an online membership for Animal Crossing: New Horizons. However, I can provide information and assistance related to the game if needed. **

One way to quickly earn money in Animal Crossing: New Horizons is by catching and selling rare fish or bugs. Another method is to plant and harvest valuable fruit such as foreign fruits or coconuts. Additionally, participating in the Stalk Market by buying and selling turnips at a profit can also be a lucrative way to earn money quickly in the game. **

The money tree scam in Animal Crossing: New Horizons involves players planting more than the recommended amount of bells (in-game currency) in the glowing spot where money trees can be grown. Players may mistakenly believe that planting more bells will yield higher returns, but in reality, the maximum amount of bells that can be harvested from a money tree is fixed. Planting more bells than necessary will not result in higher profits and can be considered a waste of resources. It is recommended to follow the game's guidelines and only plant the recommended amount of bells to maximize profits from money trees. **

In Animal Crossing: New Horizons, there are a few ways to quickly earn money. One way is to catch and sell valuable bugs and fish, such as tarantulas and sharks. Another way is to plant and harvest valuable fruit, such as foreign fruit or coconuts, and sell them for a higher price. Additionally, participating in the "stalk market" by buying and selling turnips at a good price can also be a quick way to earn money. Finally, completing tasks for villagers or participating in special events can also earn you some quick cash. **

In Animal Crossing: New Horizons, you cannot plant a literal money tree. However, you can grow a money tree by burying a bag of Bells (the in-game currency) in a glowing spot on the ground. Once you bury the bag of Bells, a money tree will sprout in a few days, and you can harvest more Bells from it. It's important to note that the amount of Bells you receive from the money tree will vary, so it's a bit of a gamble. **