private void ProductSelectionMenu() { bool exitSelection = false; while (!exitSelection) { DisplayItems(); Console.WriteLine(); Console.WriteLine($"Current Money Provided: {_vm.UserBalance.ToString("C")}"); Console.WriteLine(); Console.Write("Enter Your Selection or (Q)uit: "); ResidentEvil(); string userSelection = Console.ReadLine().ToUpper(); if (_vm.ItemButtonExists(userSelection)) { //purchase item if available if (_vm.ItemAvailable(userSelection) && _vm.CanPurchase(userSelection)) { PurchaseItem(userSelection); } else if (!_vm.ItemAvailable(userSelection)) { Console.WriteLine("We're sorry, but the selected item is currently unavailable"); PressAnyToContinue(); } else { Console.WriteLine($"Selected item costs more than the availabe balance of {_vm.UserBalance.ToString("C")}."); Console.WriteLine("Please insert more money."); PressAnyToContinue(); } } else if (userSelection.Equals("Q")) { //leave item selection exitSelection = true; } else { Console.WriteLine("Selection not recognized, please try again."); PressAnyToContinue(); } } }