public void Start()
        {
            Menu.Selection();

            while (true)
            {
                var command = Menu.GetSelection(_menuSelections);

                if (command.ToLower() == "purchase")
                {
                    Purchase();
                    break;
                }

                if (command.ToLower() == "balance")
                {
                    Bank.BankMessage("Your current balance is: $");
                }

                if (command.ToLower() == "history")
                {
                    User.ListHistory();
                }

                if (command.ToLower() == "quit")
                {
                    Console.ForegroundColor = ConsoleColor.DarkMagenta;
                    Console.WriteLine("\nBye, see you next time!\n");
                    Console.ResetColor();

                    break;
                }

                if (command.ToLower() == "h" || command.ToLower() == "exit")
                {
                    Console.Clear();
                    Menu.Selection();
                }

                if (command.ToLower() != "h" || command.ToLower() != "purchase")
                {
                    Console.WriteLine("\nWhat would you like to do next?");
                    Console.WriteLine("Press 'h' if you want to see menu selection again.\n");
                }
            }
        }