Answer: If you're interested in buying some Bitcoin in anticipation of the Grinch Christmas pre-sale, there are a few things you need to know. First and foremost, you should make sure you have enough money to purchase the Bitcoin you want. You can do this by checking the current market prices and calculating how much you need to buy the amount of Bitcoin you're interested in. Additionally, you should research the different exchanges available to you to make sure you're getting the best deal. Finally, you should make sure you have a secure wallet to store your Bitcoin in once you purchase it. Following these steps will ensure that you have the funds needed to purchase Bitcoin when the Grinch Christmas pre-sale begins.