"The automated machines at the 169th street entrance, at times, don't accept cash nor credit/debit, especially in the morning rush hours. Frustrating if you don't arrive equipped with a MetroCard. :)"
"..Eat at Malecon's OR at Conde's Steak House, both conveniently across the street!"
"Speak slowly and clearly when you place your order, especially via the walk-up window; Employees are "slow" and incompetent. :)"