After getting over the initial hurdle of North West gifting her mom a necklace engraved with the words “Skibidi Toilet,” Kim Kardashian fans are likely to have a tough time getting to grips with how much the piece of jewelry is estimated to have cost. Kim Kardashian is a mom of four, and as her sister, Khloé Kardashian, revealed in a recent birthday tribute, Kim is “wearing a million hats” and does a great job of balancing everything. As North marks her mom’s 44th birthday with a unique piece of jewelry, some may be wondering exactly what the 10-year-old’s allowance is. Kim Kardashian finds a …